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- With your combi betUp to 70% extra
Build your combi, boost your winnings
As a fan of combi bets, you can now receive up to €10,000 extra on your combi bet! Get more out of your combi bet with our Combi Boost. From football to tennis and more: build your bet the way you like. Combine all sports, all markets, and both pre-match and live.
Pick your favourite sport(s) and place a combi bet with three selections or more. If your bet is successful, you’ll receive a Combi Boost up to 70%. The more selections you add, the higher your Boost can get. The boost amount can be seen in your betslip.
Your combi. Your Boost.
How does it work?
- Go to our Sportsbook
- Place a combi bet with at least three selections, pre-match or live. Each selection must have minimum odds of 1.30.
- The Combi Boost is automatically added to your bet slip. Receive up to 70% extra winnings on your winning combi bet, with a maximum of €10,000 bonus per bet
| Number of selections | Boost |
|---|---|
| 3 selections | 5% Boost |
| 4 selections | 8% Boost |
| 5 selections | 10% Boost |
| 6 selections | 12% Boost |
| 7 selections | 15% Boost |
| 8 selections | 20% Boost |
| 9 selections | 25% Boost |
| 10 selections | 30% Boost |
| 11 selections | 35% Boost |
| 12 selections | 40% Boost |
| 13 selections | 45% Boost |
| 14 selections | 50% Boost |
| 15 selections | 55% Boost |
| 16 selections | 60% Boost |
| 17 selections | 65% Boost |
| 18 selections and more | 70% Boost |
By participating in this promotion, you explicitly agree to the promotion terms and conditions on this page.
In order to participate in this promotion you must have a valid registered Holland Casino Online account and have made at least one deposit on the account.
Promotional Terms and Conditions
- This promotion runs from 12:00 pm on 24/03/2026 until 11:59 PM on 31/12/2026 (the "Promotion Period").
- You must be 24 years of age or over to participate in this promotion, have a valid registered Holland Casino Online account and must have made at least one deposit on your account.
- This promotion is valid on all available sports, leagues, events and markets.
- To claim the offer, you must place a bet with at least 3 selections.
- Odds of each selection must be 1.30 or higher.
- Both pre-match and live bets count towards the promotion.
- There is no minimum bet needed.
- Bets must be placed with real balance.
-
The amount of the Combi Boost depends on the number of selections, as shown in the table below (odds of each selection must be 1.30 or higher for each selection):
Number of selections Boost 3-folds 5% boost 4-folds 8% boost 5-folds 10% boost 6-folds 12% boost 7-folds 15% boost 8-folds 20% boost 9-folds 25% boost 10-folds 30% boost 11-folds 35% boost 12-folds 40% boost 13-folds 45% boost 14-folds 50% boost 15-folds 55% boost 16-folds 60% boost 17-folds 65% boost 18 -folds and upwards 70% boost - You will receive the Combi Boost once all selected matches have been settled as won.
- If a selection is settled as a winner under an Early Payout promotion but does not win based on the official full-time result, the Combi Boost will not apply.
- The maximum additional Combi Boost amount that can be claimed is €10,000 per bet.
- Bets are not eligible for the promotion if the qualifying bet gets voided.
- If selections are voided, the Combi Boost still applies, but the percentage of Boost added affects the actual number of wins. For a 10-fold accumulator with 9 wins and 1 void selection, players receive a 25% Boost (equivalent to a 9-fold).
- The Combi Boost is immediately credited to your account balance along with the settlement of the relevant qualifying bet, as part of the winning payout.
- Bets placed with Free Bets are not eligible for this offer.
- The Combi Boost does not apply once a bet has been cashed out. You can still have a bet cashed out, but the amount to be paid out will be based on the odds payout without taking into account any boost adjustments.
- Virtual sports betting and system bets are excluded from this promotion.
- This promotion cannot be used in conjunction with other Holland Casino Online promotions.
General Terms and conditions
- You can cancel the promotion at any time: go to the account menu, under "Bonus and promotions" - Bonus history - select "Cancel bonus". This process does not apply to sports promotions; these promotions can be cancelled by cashing out the relevant qualifying bet early (Cash out function). Have a look at the promotional terms and conditions of each individual sports promotion for more information.
- This promotion is not valid in conjunction with other promotions from Holland Casino Online.
- Promotional offers are designed to enhance the player's experience. Attempts to abuse this promotion will not be tolerated and may result in the loss of prizes won and immediate exclusion from future promotions.
- All winning accounts are subject to standard fraud and safety checks to ensure that the mentioned conditions are met before the prizes are processed.
- Holland Casino Online reserves the right to modify, cancel or withdraw this promotion at any time.
- In case of any dispute or inconsistency between translations of the (Promotional) Terms and Conditions, the Dutch version will always prevail.
- Holland Casino Online's General Terms and Conditions apply.