
Boosted Odds - Sinner vs Zverev Tennis
Marathonbet Italia
How It Works
New and existing customers can bet on Sinner to win against Zverev at boosted odds of 10.00 (real odds ~1.30). Place a bet of up to €5 on Sinner to win, and if successful, you receive the normal winnings as real balance plus the difference between the boosted odds winnings and the real odds winnings as a Fun Bonus. For example, a €5 bet yields €6.50 real winnings plus €43.50 in Fun Bonus. The Fun Bonus must be wagered 1x on accumulators of at least 5 events with minimum odds of 1.50 per event.
Key Terms Explained
You must wager 1x (Fun Bonus on 5+ event accumulator, then 1x Real Bonus on singles/multiples) the bonus amount before withdrawal.
Only bets at 1.5+ odds count towards wagering.
Complete wagering within this time frame.
Minimum deposit required to claim bonus.
Maximum bonus amount you can receive.
Full Terms & Conditions
T&C Pros
- High Regulatory Protection
Terms strictly adhere to DGOJ (Dirección General de Ordenación del Juego) standards, ensuring player funds are segregated and games are fair.
- No Hidden Fees
Deposits and withdrawals are generally free of charge unless currency conversion is required.
- Clear Opt-Out
Users can cancel bonuses at any time (though winnings may be forfeited).
- Net Winnings usually Cash
Winnings from Freebets (Apuestas Gratis) are typically paid in real cash, excluding the stake.
T&C Cons
- Strict 30-Day Access Rule
Promotions are legally blocked until the account is verified and has been open for 30 days (Real Decreto 958/2020).
- Withdrawal Penalties
Requesting a withdrawal while a bonus is active typically results in the forfeiture of the bonus and pending winnings.
- Bonus Abuse Clauses
Broad definition of 'abusive behavior' (e.g., covering more than X% of outcomes) can lead to account limitation.
- Freebet Stake Forfeiture
When betting with bonus funds/freebets, the stake amount is not returned with winnings.
About the Author

Sportsbook Content Lead · 6+ years of experience
Specialist in regulated sports betting markets with extensive hands-on experience reviewing bookmakers. Defines the editorial vision of the project and ensures all reviews are based on real betting experience, clear criteria, and practical user value. Focuses on bonuses, usability, and what really matters before registering.
Overall Score
Our score analyzes wagering requirements, time limits, odds restrictions, and other terms to give you an overall picture of how fair this bonus is.
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Editorial
Written by
Inés Ledo
Sportsbook Content Lead
Specialist in regulated sports betting markets with extensive hands-on experience reviewing bookmakers. Defines the editorial vision of the project and ensures all reviews are based on real betting experience, clear criteria, and practical user value. Focuses on bonuses, usability, and what really matters before registering.