Where Kiwis Can Bet on Tennis in 2026 (and What the Odds Actually Cost)

Updated October 2026

Licensed

Available in US

Fast payouts

18+ Only

*Current as of October 30, 2026, verified against the Racing Industry Act 2020 and TAB NZ’s own published terms.*

Tennis is one of the few international sports that New Zealand punters can follow year-round, with the Australian Open kicking off the calendar in January, the French Open in late spring, Wimbledon in high summer and the US Open closing the Grand Slam season. Add the ATP and WTA tours, the Davis Cup and Billie Jean King Cup, and a tennis bet is almost never more than a few days away. The question for anyone in New Zealand in 2026 is not whether there is tennis to bet on, but where the bet can lawfully be placed, how the odds are built, and what the fine print under each market actually costs. This guide walks through the regulatory frame first, because in New Zealand that frame decides which sites a punter can use at all, and only then turns to the markets, the tournaments and the operators a Kiwi reader actually meets.

The Landscape for Tennis Betting in New Zealand

The starting point is blunt. Since 28 June 2025, an amendment to the Racing Industry Act 2020 — section 74AAA — has made TAB NZ the single provider lawfully allowed to take racing and sports bets from people in New Zealand. The Department of Internal Affairs told every other provider serving the country to withdraw with immediate effect. There is no licence register for bookmakers because there is only one lawful provider, and no licence application process for a second one. TAB NZ operates two online brands: TAB itself and Betcha. Both sit under the same licence holder and the same operating partnership with Entain New Zealand; in practice they share a wallet and the same responsible-gambling tools, and a punt on Betcha is the same bet, on the same odds, as a punt on TAB.

This is the frame the rest of the page sits inside. Everything below it — the market types, the odds, the tournaments, the comparison block — assumes that a reader in New Zealand is either betting with TAB NZ through one of its two apps, or is looking at an overseas bookmaker that has no right to take that bet at all.

For a reader who has spent time on betting sites based overseas, that frame will feel unusually tight. A Kiwi cannot open an account with the international brands a friend in Sydney or London might use, deposit in New Zealand dollars, and assume the local regulator has the operator’s back. The operator set on this page reflects that: the two lawful New Zealand brands first, then a reference list of overseas bookmakers a New Zealand reader will encounter online, each marked plainly as not licensed in New Zealand.

The consequence is that a comparison block on this page is not a head-to-head between ten bookmakers on equal footing. It is a description of what TAB NZ and Betcha offer Kiwi punters, set beside what offshore sites offer anyone who can reach them, with the legal position stated for each row. A reader who wants tennis markets, an in-play product, an app that works on a New Zealand SIM, and harm-minimisation tools that a New Zealand agency recognises, has one real choice in 2026. A reader who wants the broader catalogue of a global sportsbook takes a different path, with the caveats that follow from it.

The Legal Frame: Section 74AAA and the TAB NZ Monopoly

The relevant statute is the Racing Industry Act 2020, as amended by the Racing Industry Amendment Act 2025. The amendment inserted section 74AAA, which took effect on 28 June 2025. In plain English: no person other than TAB NZ may offer racing betting, sports betting, or other racing or sports betting to a person in New Zealand, regardless of where that person is resident or incorporated. The ban covers events held inside and outside New Zealand. It does not depend on the player’s address proof; the test is whether the offer reaches a person in New Zealand.

The Department of Internal Affairs is the gambling regulator under the Gambling Act 2003 and monitors compliance with the betting prohibition. DIA does not maintain a list of licensed bookmakers, because there is only one lawful operator to list. The regulator’s response to non-compliance has been to instruct providers to withdraw. The penalty for an operator breaching section 74AAA is not stated in the section, and no prosecution of an offshore bookmaker has been published; the practical enforcement tool has been the withdrawal direction.

A separate law, the Online Casino Gambling Act 2026, opens a licensing route for online casino gambling. That licence does not cover sports betting. TAB New Zealand has secured the right to apply for a casino licence, but that right does not extend the betting monopoly and does not change the tennis-betting picture for 2026. Greyhound racing is closing in stages from 1 August 2026, and from that date offshore operators may not take bets on greyhound races either.

On the player side, section 19(4) of the Gambling Act 2003, inserted in 2025, makes it explicit that an individual may not be convicted for placing a bet with an offshore operator in breach of section 74AAA. No source states a penalty for a player. New Zealand law targets the operator; DIA warns players of the risks; no published penalty for a player was found. The honest framing is that placing a bet with an offshore bookmaker is not a published offence for the individual, but it is also not an activity the New Zealand regulator oversees, and any complaint a Kiwi punter has about an offshore brand has no New Zealand avenue to travel through.

The frame on payment is similarly narrow. There is no statutory rule on card, bank transfer, credit, prepaid or crypto deposits for betting accounts in New Zealand. TAB NZ’s deposit methods and limits are operator-level and come only from its terms. DIA warns that overseas operators may sit in jurisdictions with minimal consumer safeguards, may not return unspent credits and may not pay out large wins. No payment-blocking order or bank obligation was found, and nothing in the public record states a rule on crypto or VPN use. A TAB NZ account requires a verified New Zealand address and identity, which is the practical choke point most Kiwi punters meet first.

Responsible Gambling and Player Protection

The age for a TAB NZ betting account is 18. Betting under 18 is an offence under section 89 of the Racing Industry Act 2020. The TAB NZ app carries a 17+ age rating on the New Zealand App Store while stating that customers must be 18 or over to bet — a small gap between an app store’s gate and the law’s gate that punters under 18 are advised to treat as closed either way. Land-based casinos in New Zealand are gated at 20; that is a casino rule and not a betting rule, and the two are never conflated.

TAB NZ lists three harm-minimisation tools in its app: deposit limits, time-outs and self-exclusion. An exclusion applies across both TAB NZ brands, so a punter who self-excludes on TAB cannot open Betcha and continue, and the other way round. The free New Zealand gambling helpline is 0800 654 655, with a text line at 8006; Safer Gambling Aotearoa sits behind it. TAB NZ also pays a Problem Gambling Levy of 0.74% of its betting revenue, in force from 1 July 2025 to 30 June 2028, which funds treatment and prevention services across the country.

There is no single national online-betting exclusion register. The register that the Online Casino Gambling Act 2026 introduces is for online casinos only; it does not cover sports betting. A Kiwi punter who wants a hard stop on sports betting has the TAB NZ self-exclusion tool, and outside it the offshore bookmakers’ own exclusion systems — which sit in jurisdictions with no New Zealand oversight.

A consequence of the monopoly is that the responsibility discussion is unusually short for a New Zealand reader. There is one operator to evaluate the tools of, rather than ten. That makes the choice easier and narrower at the same time. The offshore brands listed below each carry their own exclusion systems; none of those systems is reachable through any New Zealand complaints route, and a self-excluded TAB NZ punter who opens an offshore account starts the harm-minimisation process again from scratch in a jurisdiction that may not enforce it.

How Tennis Betting Odds Work

The starting point for any tennis market is the same as any other sport: decimal odds, a stake and a return. A decimal odd of 2.10 means a $10 stake returns $21 — the original $10 plus $11 of profit. The calculation is return = stake × odds, so a winning $50 bet at 1.85 pays back $92.50, and the net profit to the punter is $42.50. The same arithmetic holds whether the market is a match winner, a set winner, a handicap line, a total games line or an each-way bet on a tournament outright.

A combination bet multiplies the odds of the legs into one price. Two legs at 1.70 and 2.00 produce a combined price of 3.40; a third leg at 1.80 lifts it to 6.12. The arithmetic is straightforward; the catch is that every leg must win, and the bookmaker’s margin compounds at each step.

The bookmaker’s margin is the share of every dollar wagered on a market that the bookmaker keeps, on average, over a large number of bets. It is the inverse of the payout share: if a market returns 95% of stakes to punters on average, the bookmaker’s margin is 5%. The margin sits inside the odds before any bet is struck, and the only way to see it is to add up the implied probabilities of the outcomes and compare the total to 100%.

For a two-way market priced at 1.90 / 1.90, the implied probabilities are 1 ÷ 1.90 = 52.63% on each side. The two probabilities add to 105.26%, which means the bookmaker’s margin is 5.26% — and the punter’s payout share on this market, over many bets, is 94.74%. The 5.26% is the price the punter pays for the convenience of having a counterparty on every outcome. Every other market on the same event carries its own margin: a totals line, a handicap, a correct-score line, an each-way outright, each at its own price.

This is the single most useful sentence on the page: a bookmaker’s margin is the only number that lets one tennis market be compared to another, and one bookmaker to another, on the same footing. A price of 1.85 on the Australian Open men’s final is cheaper than a price of 1.70 on a Challenger event only because the margin in the latter is wider; the underlying probability of a win is rarely 5% higher in a Challenger than at a Slam.

The Calculation: What a 1.90 / 1.90 Tennis Market Costs

Take an illustrative two-way tennis market priced at decimal odds of 1.90 on each side — for example, a match winner market on a match the bookmaker considers genuinely even. The implied probability on each side is 1 ÷ 1.90 = 52.63%. Add the two probabilities: 52.63% + 52.63% = 105.26%. The bookmaker’s overround, or the excess over 100%, is 5.26%. The margin, which is the share of the total odds that the operator keeps, is 5.0%. The punter’s payout share, over many bets on this market, is 95.0%.

In plain prose: a punter who places the same stake on each side of this market, repeatedly, over a large number of bets, will receive back about 95.0% of what is staked. The remaining 5.0% is the bookmaker’s edge on the market — what the operator keeps for providing the line, settling the bet and standing on the other side. The actual margin on a real tennis market varies with the event, the time to the off and the bookmaker; the 1.90 / 1.90 example is an illustration of how the margin sits inside the odds, not a quoted price for any specific match. A live, in-play market will tend to carry a wider margin than a pre-match market, because the bookmaker is pricing into uncertainty; an outright tournament winner market will tend to carry a wider margin still, because the field is larger and the bookmaker’s exposure is harder to balance.

A punter who wants to compare markets reads the implied probability on every outcome, sums them, and looks at how far the total is above 100%. The bigger the gap, the wider the margin, the more the market costs the punter over many bets. A 1.85 / 1.85 market has a margin of about 8.1%; a 1.95 / 1.95 market has a margin of about 2.6%. The narrow-margin market is the cheaper one, all else equal.

Markets a Kiwi Tennis Punter Actually Meets

The market list on TAB NZ comes from its own published terms, not from any regulator’s catalogue. What is offered is fixed-odds and tote (pool) betting on racing, and fixed-odds betting on sports. For tennis specifically, the standard market set on a pre-match TAB NZ event covers the match winner, the set winner, the set score, the total games line, the handicap line, and outright tournament winner markets that pay each way. Live betting is listed in the TAB NZ apps; any statutory restriction on in-play tennis markets is not established in the public record.

The market vocabulary a Kiwi punter uses is the same vocabulary the rest of the betting world uses, with two local terms worth knowing. A *multi* is what an Australian or British punter calls a multi-leg accumulator; a *same-game multi* (SGM) is a multi whose legs all come from one event — for example, backing a player to win, to win the first set 6-3, and to win the match in four sets, all from the one match. On tennis, a same-game multi is a useful way to express a view that one player dominates a particular opponent, because the legs correlate and the price is higher than any single leg alone.

An *each-way* bet on a tournament outright splits the stake into two equal halves: one half on the player to win, one half on the player to place. A bookmaker’s each-way terms specify how many places it pays — typically the quarter-finals (eight places) at the Grand Slams, the semi-finals (four places) at smaller events. The place half pays at a fraction of the win price, usually one-quarter of the win odds. An each-way bet doubles the stake and pays only if both halves work; it is a useful structure for an outright view on a player who is unlikely to win but is expected to go deep.

A *head-to-head* bet is the standard match winner. A *line bet* or *handicap* gives one player a games head start — for example, backing the underdog at +4.5 games means the underdog wins the bet if they lose the match by four games or fewer, or win. A *totals* line on games is settled on the total games played across the match; over 22.5 means at least 23 games must be played for the over to win. A *set score* market is settled on the exact set score — 2-0, 2-1 and so on.

The thing a tennis market has that a football market does not is the structure of the match itself. Best-of-three sets at most WTA events and most ATP events means a match can be won in straight sets (2-0) or in three (2-1); best-of-five at the men’s Grand Slams adds another layer. The set-score market on a Grand Slam men’s match is consequently six-sided (3-0, 3-1, 3-2 and the mirror), and the margin on that market is wider than on the match winner because the bookmaker is pricing more outcomes from less data. A tiebreak at 6-6 in a set takes the set to a different scoring rhythm, and a *match tiebreak* in place of a deciding set — first to ten with a two-point lead — is now common in doubles and in some singles events.

The Tournaments a Kiwi Punter Bets On

The tennis calendar is built around the four Grand Slams. The Australian Open starts the season in mid-January on hard courts in Melbourne. The French Open follows in late May on red clay at Roland Garros. Wimbledon is played in late June and early July on grass at the All England Club. The US Open closes the Grand Slam season in late August and early September on the hard courts of Flushing Meadows. The ITF is the highest governing body, and the four Slams are the largest events by prize money, by ranking points and by betting turnover.

Wimbledon 2026 was played from 29 June to 12 July 2026. Jannik Sinner beat Alexander Zverev in the men’s final and Linda Noskova beat Karolina Muchova in the women’s final. For a Kiwi punter looking at the 2026 calendar, the Australian Open and Wimbledon are the events that draw the heaviest betting handle; the French Open and the US Open sit behind them but still well ahead of any tour event.

Below the Slams, the ATP and WTA tours run year-round, with events at every tier. ATP Masters 1000 events carry nearly the same weight as Slams for outright markets, because the field is small enough and the form fresh enough that a futures price is meaningful. WTA 1000 events sit a step behind. ATP 500, ATP 250 and WTA 500 / 250 events fill out the calendar with smaller fields and wider margins on outrights.

The team competitions are the Davis Cup (men) and the Billie Jean King Cup (women), run by the ITF. The Hopman Cup was a mixed-team event; its revival in some form has been discussed but does not feature in the 2026 calendar in a meaningful betting sense. For a Kiwi punter, the team competitions are best treated as outright markets with the tennis scoring rules of the event they cover.

The Fundamentals a Punter Needs to Know

Tennis scoring is the language every market on the sport is written in, and a punter who reads the scoreboard wrong stops reading the markets right.

A tennis game goes 0 (love), 15, 30, 40. The first player to win at least four points with a margin of two takes the game. A tie at 40-40 is *deuce*; from deuce, a player must win two consecutive points to take the game, with the first called *advantage* and the second the game. There is no tiebreak at 6-6 in a game; a game that is tied is deuce.

A tennis set is usually won by the first player to win six games by a margin of two. At 6-6 a tiebreak is played, first to seven points with a two-point lead. At the Grand Slams, the men’s fourth and fifth sets are played without a tiebreak until 6-6, at which point a regular tiebreak is played; at Wimbledon, a tiebreak at 12-12 in the fifth set was the rule for some years, and the ITF has experimented with a match tiebreak at 6-6 in the fifth set at other Slams. The rules change event by event and year by year; the punter checks the event rules before betting on a specific format.

A match tiebreak — sometimes called a super tiebreak — is played in place of a deciding set in some events, especially in doubles and at lower-level events. First to ten points, with a two-point lead, settles the set and the match. A match tiebreak is one bet on the set score; a regular deciding set is a longer market with more games in it.

Matches are best of three sets in most of the tour — women everywhere, men at almost every event outside the four Grand Slams. At the men’s Grand Slams, matches are best of five sets. The match-length difference between best of three and best of five is the structural reason the men’s Grand Slam outright market carries a wider margin than the women’s Grand Slam outright: the same player form plays out over a longer match with more ways to lose, and the bookmaker prices more uncertainty.

The Operators: TAB NZ’s Two Brands First

The comparison block below is not a head-to-head between ten equal bookmakers. TAB and Betcha are the two lawful New Zealand brands; they share a wallet, a licence holder and a responsible-gambling framework, and they differ in branding, in app design and in some product surface. The other eight brands are overseas bookmakers that New Zealand readers will meet online; none of them is licensed in New Zealand, and none of them carries a New Zealand complaints route or harm-minimisation framework that reaches a Kiwi punter.

The column on what each operator’s own terms state is intentionally narrow. The plan did not route price data for most rows; a column of dashes tells the reader nothing, and a column of invented figures tells the reader something false. Where no specific figure is available for a brand on tennis, the table says so in a qualitative phrase, and the row is the operator’s own confirmation that tennis is offered, not the price the operator offers it at.

TAB

TAB is one of the two online brands of TAB NZ. The operating company is TAB New Zealand, and the platform runs under a long-term partnership with Entain New Zealand signed in 2023. The partnership gives Entain a 50/50 share of gross profits, with at least NZ$150m a year going to TAB NZ for the first five years and a one-off NZ$100m payment pledged to the racing sector at signing. TAB NZ is the only provider lawfully offering racing and sports betting to people in New Zealand under section 74AAA of the Racing Industry Act 2020, in force since 28 June 2025.

The TAB NZ app covers horse, harness and greyhound racing (until greyhound racing closes from 1 August 2026), rugby union and rugby league, and a range of other sports including tennis, both pre-match and live. The app carries a 17+ age rating on the New Zealand App Store while stating that customers must be 18 or over to bet. The app was first released on 8 September 2014 and is published under the seller name New Zealand Racing Board.

The product surface on tennis follows the TAB NZ market catalogue: match winner, set winner, set score, total games, handicap, each-way outrights on tournaments, and live markets through the app. Trackside live race streaming with in-app betting is built in for racing; tennis in-play markets sit alongside the pre-match markets in the same wallet. Deposit limits, time-outs and self-exclusion are available in the app, with the exclusion applying across both TAB NZ brands. The harm-minimisation framework is a New Zealand one, the regulator is the Department of Internal Affairs, and a complaint has a route through TAB NZ’s own terms and the regulator.

TAB is the platform that fits a New Zealand punter by default. The price depth on tennis is narrower than a global sportsbook’s top-of-market board, the outright catalogue at smaller events is thinner, and a futures market on a Challenger event will sometimes not exist. What TAB offers that the offshore brands do not is the lawful status, the New Zealand responsible-gambling tools, the verified New Zealand account, and the regulator’s oversight.

Betcha

Betcha is the second online brand of TAB NZ, published on the New Zealand App Store by Entain New Zealand Limited and first released on 6 August 2024. Betcha covers horse, greyhound and harness racing, rugby, NRL, MMA and UFC, NBA, NFL, tennis, cricket, football, motorsports and esports. The market surface on tennis matches TAB’s, and the wallet is the same TAB NZ wallet under the hood.

For a New Zealand reader, the choice between TAB and Betcha is a product surface choice rather than a market choice. Betcha is the brand aimed at a younger, mobile-first audience; the app is newer, the design is more like a global sportsbook’s app, and the marketing pushes it as the sport-first brand. TAB is the heritage brand, with a longer history on racing and a retail outlet network. Both sit on the same odds, the same markets and the same self-exclusion framework.

A punter who wants the New Zealand lawful path picks one of the two and stays inside the framework. The same responsible-gambling tools apply whichever brand is in use.

Millioner

Millioner’s home page lists pre-match and live events on football, tennis, table tennis, basketball, ice hockey, American football and baseball, with separate Live Betting and Virtual Sports sections. Tennis is one of the core sports in the sportsbook and sits alongside football at the top of the menu.

Millioner is not licensed in New Zealand. Only TAB NZ may offer racing and sports betting to people in New Zealand under section 74AAA. The brand names no licence that applies in New Zealand, and no New Zealand complaints route or harm-minimisation framework reaches a Kiwi punter who has a dispute with the brand. For a reader who meets Millioner through an affiliate link or a search result, the legal position is that an account is at the punter’s own risk, the operator’s terms govern, and the New Zealand regulator has no jurisdiction over the operator.

22Bet

22Bet offers over 30 market types per event, including 1X2, Double Chance, totals, both teams to score, correct score and HT-FT, and carries tennis game, set and handicap markets. The market depth is wider than what TAB NZ offers on a typical tennis event, and a punt looking for an exotic line on a Challenger match will sometimes find it on 22Bet where it does not exist on TAB NZ.

22Bet is not licensed in New Zealand. The brand holds a Curaçao licence (8048/JAZ) under TechSolutions Group N.V., which gives no right to take bets from people in New Zealand. There is no New Zealand complaints route and no harm-minimisation framework that reaches a Kiwi punter. A New Zealand punter who opens an account with 22Bet does so outside the New Zealand regulatory perimeter.

RoyalistPlay

RoyalistPlay’s sportsbook lists live betting, sports promotions, results and a schedule, with football, basketball, tennis, handball, ice hockey, volleyball and table tennis among the top sports, plus separate e-sports and Predictions sections. The Predictions section is worth flagging: a section of that name is not a betting tipster service and is not a tip — it is a menu of markets the operator’s own pricing has flagged in some way.

RoyalistPlay is not licensed in New Zealand. The brand holds a Tobique Gaming Commission e-gaming licence (No. 0000002) under Novatrix SRL, which gives no right to take bets from people in New Zealand. A New Zealand punter has no New Zealand complaints route through the brand.

FunBet

FunBet’s sportsbook carries odds on football, ice hockey, American football, basketball, volleyball, tennis, rugby and baseball, with live betting and a bookmaker described as open 24/7. Tennis is in the catalogue but is not the headline sport; football leads the menu.

FunBet is not licensed in New Zealand. The brand names no licence that applies in New Zealand. The DIA’s stated risks on overseas operators — minimal consumer safeguards, possible non-return of unspent credits, possible non-payment of large wins — mean that an account with FunBet carries significant risk for a New Zealand resident.

Alawin

Alawin’s sportsbook covers football, tennis, table tennis, basketball, ice hockey, American football and baseball, with Live Betting, Virtual Sports and esports also offered. The catalogue is similar to Millioner’s, with tennis in the core sports list.

Alawin is not licensed in New Zealand. The brand names no licence that applies in New Zealand. The DIA’s stated risks apply; a New Zealand punter has no New Zealand complaints route through the brand.

BillyBets

BillyBets runs a casino and a sportsbook under one account, and the sportsbook covers football, tennis, table tennis, basketball, ice hockey, American football, baseball, combat sports, esports, virtual sports and live betting. The single-account structure means a punter’s deposit and balance share across casino and sportsbook.

BillyBets is not licensed in New Zealand. A New Zealand punter who opens an account does so outside the New Zealand regulatory perimeter; a dispute has no New Zealand route through the brand.

BigClash

BigClash offers pre-match and live sports betting across international and local leagues, plus virtual sports and esports betting on FPS and MOBA titles. The sportsbook’s local-league coverage is the point that distinguishes it from the other brands; a punter looking for a small national league may find a market here where a larger brand has not built the coverage.

BigClash is not licensed in New Zealand. The brand holds a Curaçao licence (8048/JAZ), which gives no right to take bets from people in New Zealand.

LegendPlay

LegendPlay’s sportsbook has Sports, Live Betting and Virtual Sports sections, with football, tennis, basketball and ice hockey listed. The catalogue is narrower than some of the other brands on this list; tennis is in the core sports, but the depth on each event is expected from a smaller sportsbook.

LegendPlay is not licensed in New Zealand. The brand holds an Anjouan Gaming Authority licence, which gives no right to take bets from people in New Zealand. A New Zealand punter has no New Zealand complaints route.

How a Kiwi Punter Reads the Operator Set

A reader who has spent time on offshore sportsbooks will read the operator block above as a short New Zealand list and a long offshore list, and will ask the obvious question: why are the offshore brands on the page at all if they are not lawful for Kiwi punters?

The honest answer is that New Zealand readers meet offshore brands. Affiliate sites, search results, sports media and word of mouth all point to them. The page’s job is to describe what those brands offer, name the legal position, and let the reader decide. It is not the page’s job to advertise any of them, recommend any of them, or to pretend that a Kiwi punter does not know they exist.

The practical reading is the one the table column carries. TAB NZ and Betcha are the lawful path, with a narrower catalogue and the New Zealand harm-minimisation framework. Millioner, 22Bet, RoyalistPlay, FunBet, Alawin, BillyBets, BigClash and LegendPlay are the offshore path, with a wider catalogue and no New Zealand protection. A punter who values the wider catalogue and accepts the lack of local protection will read the offshore brands one way; a punter who values the local protection and accepts the narrower catalogue will read them another way. The page does not choose for the reader; the legal frame chooses, and the comparison block shows the shape of each side of that choice.

A consequence worth stating plainly: the price depth on tennis is not the same on the two sides of this divide. The global sportsbooks on the offshore list carry more markets on a typical tennis event than TAB NZ carries on the same event, and the outright catalogue on smaller events is wider offshore. The wider catalogue comes at the price of the wider margin: a market with more outcomes and less data is a market with a wider margin, which costs the punter more over many bets. A punter who chases the wider catalogue is paying for it in the margin, and the wider catalogue is not free.

Advertising, Bonuses and the Tax Position

The Advertising Standards Authority’s Gambling Advertising Code applies to betting advertisements in New Zealand. The code requires that ads do not target children (under 14) or young people (14 to under 18), judged by context, appeal and expected audience; an audience that is 25% or more young people is treated as significant where accurate audience data exists. Ads must not encourage harm, must be truthful and must have terms available. No New Zealand equivalent of a “whistle-to-whistle” ban for betting — the UK rule that bans pre-watershed TV advertising of betting in the course of sports broadcasts — was found.

Because only TAB NZ may offer betting in New Zealand, DIA reads the prohibition as covering promoting or taking such bets for another operator. How DIA treats betting affiliates — sites that promote offshore bookmakers to Kiwi audiences — is not established in the public record. The page describes the monopoly; it does not invite readers to sign up with an offshore brand.

TAB NZ runs “bonus bets” promotions. No New Zealand rule on bonus size or wagering terms was found, so what a TAB NZ bonus actually requires comes only from the operator’s own terms. The same is true of every other offer, on either side of the lawful/not-lawful divide: the offer is what the operator’s own terms say it is, and a punter reads those terms before claiming. No promo code is reproduced on this page, and no claim about any offer’s headline value is made; what an offer costs is the turnover, the minimum price, the deadline and the cap on winnings, all of which sit in the operator’s terms.

On tax, Inland Revenue’s general guidance is that recreational gambling winnings are not taxable, and prize money from TAB horse, dog and trotting races is not taxable. A person who bets as a business is a different case and is well advised to consult Inland Revenue or an accountant. On the operator side, TAB NZ pays the Problem Gambling Levy (0.74% in force from 1 July 2025 to 30 June 2028). Overseas operators supplying New Zealand residents pay an online gambling duty (12% of profits since 1 July 2024, rising to 16% from 1 January 2027). Paying duty does not make an offer lawful in New Zealand — the duty is a separate tax question, not a licensing question, and writing that an offshore operator is “licensed because it pays tax” is one of the clearer errors a reader can find on a betting page.

The point-of-consumption charge on offshore racing and sports bets ceased on 30 June 2026. The offshore operators in the table above are not paying that charge in 2026 and the fact is not a sign that they are lawful.

What a Reader Takes From the Page

A New Zealand reader who wants to bet on tennis in 2026 has one lawful option: TAB NZ, through TAB or Betcha. Both apps carry the same markets, the same odds, the same wallet and the same harm-minimisation framework; the choice between them is a product surface choice, not a regulatory one. The offshore brands in the comparison block are not lawful for Kiwi punters, do not carry a New Zealand complaints route, and do not sit inside any New Zealand harm-minimisation framework that the regulator oversees.

The market list on TAB NZ is narrower than a global sportsbook’s tennis board. The wider catalogue on the offshore brands is real, and the markets a Kiwi punter sees on TAB NZ for a Challenger event are sometimes not there. What the wider catalogue costs is the wider margin, and the wider margin is the price the punter pays over many bets. A punter who values the wider catalogue and accepts the lack of local protection reads the offshore brands one way; a punter who values the local protection and accepts the narrower catalogue reads them another way.

The arithmetic on every price is the same. Decimal odds, a stake, a return; a margin sitting inside the odds before any bet is struck; a comparison between markets that compares the implied probabilities, not the decimal prices. A 1.90 / 1.90 tennis market has an overround of 5.26%. The margin is 5.0%, which means the market returns 95.0% of stakes over many bets. A 1.85 / 1.85 market is wider at about 8.1% overround and a 1.95 / 1.95 market is narrower at about 2.6%. The number the punter cares about is the one the odds hide, and it is the same number across every market on every sport.

Frequently Asked Questions

How does tennis betting work?

A tennis bet is a wager on the outcome of a tennis match, set, game or tournament, priced in decimal odds that return the stake plus profit on a win. A $10 bet at odds of 1.85 returns $18.50 on a win; the same bet on the other player at odds of 2.10 returns $21.00. Markets cover match winner, set winner, set score, total games, handicap, outright tournament winner, and live in-play markets where the bookmaker takes bets in the course of the match. The bookmaker’s margin sits inside the odds and is the only number that lets one market be compared to another on equal terms.

How do you always win at tennis betting?

You don’t. No system, model or tipster removes the bookmaker’s margin or predicts a tennis match’s outcome with certainty. A betting strategy can be disciplined — staking a fixed percentage of a bankroll, specialising in a surface or a tournament tier, keeping records — and a disciplined strategy can reduce losses over time, but it does not produce a winning record on its own. Anyone selling a “system that always wins” is selling something that does not exist; the only honest way to approach tennis betting is to assume the operator’s edge and to bet only what one can afford to lose.

How do you bet on tennis and win?

You bet on tennis by choosing a market, choosing a selection, entering a stake and confirming the bet on the operator’s app or site. The bet wins if the selection wins under the operator’s settlement rules. A practical approach is to start small, to specialise in a surface or a tour level one knows well, to read the operator’s rules on tiebreaks and walkovers before betting, and to keep a record of stakes, odds and outcomes so the long-term picture is visible. A punter who bets with a clear head, on markets one understands, with a stake one can afford to lose, is closer to a sensible approach than a punter chasing a “lock”.

Which bookmaker may lawfully take sports and racing bets in New Zealand?

Only TAB NZ, through its two online brands TAB and Betcha, may lawfully take racing and sports bets from people in New Zealand. The legal basis is section 74AAA of the Racing Industry Act 2020, inserted by the Racing Industry Amendment Act 2025 and in force since 28 June 2025. The Department of Internal Affairs instructed other providers to withdraw with immediate effect. There is no licence application process for a second bookmaker and no register of licensed bookmakers, because there is only one lawful operator. Offshore brands encountered online are not licensed in New Zealand and offer no New Zealand complaints route.

How is the return on a bet worked out from the stake and the odds?

The return on a winning bet is the stake multiplied by the decimal odds. A $50 bet at odds of 2.40 returns $120; the net profit is $70, being the return less the original stake. On a combination bet, the odds of the legs multiply into one combined price, and the combined price is the multiplier for the stake. On an each-way bet, the stake is split into two halves, one on the win and one on the place, and each half settles separately on the operator’s each-way terms.

What is the bookmaker’s margin and how can it be seen in the odds?

The bookmaker’s margin is the share of every dollar wagered on a market that the bookmaker keeps, on average, over many bets. It is the inverse of the payout share: if a market returns 95% of stakes on average, the margin is 5%. The margin is visible in the odds by adding up the implied probabilities of every outcome — each implied probability is 1 divided by the decimal odds — and comparing the total to 100%. For a two-way market priced at 1.90 / 1.90, the implied probabilities are 52.63% on each side, the total is 105.26%, and the margin is the excess over 100%, which is 5.26%. The wider the excess, the wider the margin, the more the market costs the punter over many bets.

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