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How it works:
  1. Place a pre-match parlay of 2 or more Tennis selections on the Money Line, First Set Money Line and Set Betting markets for Singles and Doubles matches from any Grand Slam, ATP, WTA or Challenger Tour event, as well as Singles and Doubles matches from the Davis Cup and Billie Jean King Cup.
  2. If your bet is successful, we will add a boost of 5 - 70% to your winnings. The boost amount is dependent on the number of selections.
  3. Boost is paid as cash and added to your withdrawable balance.
  4. Bets placed with Bonus Bets do not qualify for this boost.
See Significant & Full Terms and Conditions below
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Boost Breakdown Table
Bet Type Boost
2 Leg Parlays 5% boost
3 Leg Parlays 10% boost
4 Leg Parlays 15% boost
5 Leg Parlays 20% boost
6 Leg Parlays 25% boost
7 Leg Parlays 30% boost
8 Leg Parlays 35% boost
9 Leg Parlays 40% boost
10 Leg Parlays 45% boost
11 Leg Parlays 50% boost
12 Leg Parlays 55% boost
13 Leg Parlays 60% boost
14 Leg Parlays and upwards 70% boost
Significant Terms and Conditions
  • This boost is only available to new and eligible customers.

  • This boost applies to winnings on pre-match parlays of 2 or more Tennis selections on Money Line, First Set Money Line and Set Betting markets for Singles and Doubles matches from any Grand Slam, ATP, WTA or Challenger Tour event, as well as Singles and Doubles matches from the Davis Cup and Billie Jean King Cup.

  • The maximum boost that you can receive is $150,000.

  • Where a Bet Boost is offered for a parlay (for example a pre-built 3 Leg Parlay), Tennis Parlay Boost will not apply.

  • This boost will not apply where a bet has been fully Cashed Out. Where a bet has been partially Cashed Out, the boost will be calculated based on the remaining active wager. Where all selections within the bet have been marked as won and this has been Cashed Out for the full return value, the boost will apply.

  • If a qualifying bet is edited using our Edit Bet feature, the boost will be calculated based on the new wager. Where a bet has been edited to include or amend a selection for an event that is Live In Game, the boost will no longer apply.

  • Bets placed with Bonus Bets or combination bets with bonuses such as Lucky 15s or Lucky 31s do not apply for this boost.

Full Terms and Conditions
Qualifying
  1. This boost is only available to new and eligible customers. You can see a full list of your available offers by logging in and selecting the Offers section on mobile or the Promotions section on desktop. bet365 maintains a record of customer contact in relation to eligibility for offers and this record, including the date and time of any restrictions being imposed, will be final in the event of any dispute.
  2. Boost applies to winnings on pre-match parlays of 2 or more Tennis selections for Men’s Singles, Women’s Singles, Men’s Doubles, Women’s Doubles and Mixed Doubles matches from Grand Slam, ATP, WTA, Challenger Tour, Davis Cup or Billie Jean King Cup events. Boost applies to the following markets: Money Line, First Set Money Line and Set Betting.
  3. If any selections are postponed, deemed no action or result in a push then the boost will still apply, but the percentage boost added will reflect the actual number of winning selections. For example, an 8 Leg Parlay with 7 winners and 1 postponed match will receive a 30% boost to winnings.
  4. The boost part of your winnings will be added to your account within 24 hours of your final selection having played.
Restrictions
  1. This boost will not apply where a bet has been fully Cashed Out. Where a bet has been partially Cashed Out, the boost will be calculated based on the remaining active wager. Where all selections within the bet have been marked as won and this has been Cashed Out for the full return value, the boost will apply.

  2. If a qualifying bet is edited using our Edit Bet feature, the boost will be calculated based on the new wager. Where a bet has been edited to include or amend a selection for an event that is Live In Game, the boost will no longer apply.
  3. Maximum boost $150,000. Parlay Boost does not apply to bets placed with Bonus Bets or combination bets with bonuses such as Lucky 15s, Lucky 31s etc.
  4. Where a Bet Boost is offered for a parlay (for example a pre-built 3 Leg Parlay), Tennis Parlay Boost will not apply.
General
  1. This offer will apply to bets placed up to and including December 31, 2023. In the event of the offer being withdrawn prior to this date, at least 30 days’ notice will be provided.
  2. A withholding tax may be applied on winnings. See Terms and Conditions for full details.

  3. All offers are subject to the Terms and Conditions, House Rules and Sports Rules.

  4. Where any term of the offer or promotion is breached or there is any evidence of a series of bets placed by a customer or group of customers, which due to enhanced payments, Bonus Bet, Bonus Bets or any other promotional offer results in guaranteed customer profits irrespective of the outcome, whether individually or as part of a group, bet365 may reclaim the enhanced payment, Bonus Bet or Bonus Bets element of such offers and/or void any bet funded by the Bonus Bet or Bonus Bets. In addition, where there is evidence of such activity, bet365 may levy an administration charge on the customer up to the value of the Bonus Bets, Bonus Bet or enhanced payment towards the administrative costs incurred in identifying and taking action against the activity.
  5. bet365 may reclaim any bonus amount, Bonus Bet, Bonus Bets or enhanced payments that have been awarded in error.
  6. bet365 may, at any time, make minor amendments to this promotion to correct typographical errors or to improve on clarity or customer experience and may cancel this promotion for legal or regulatory reasons.
  7. Employees, officers and directors of bet365, its promotional or other agencies, licensees and licensors, service providers and any other associated or affiliated companies shall not be eligible for the promotion. The same terms shall apply to the direct families of such persons.