Ribecai vs. Guerrieri: Set 1 Games O/U 10.5

Q: Ribecai vs. Guerrieri: Set 1 Games O/U 10.5

Prediction markets currently price this at 49%. A YES share costs 49.0¢ and pays $1 if it happens. That is a return of 104.1% over 4d.

Grodzisk Mazowiecki: Michele Ribecai vs Andrea Guerrieri$2k liquidity$0 volumecloses 4d

TennisSportsGames

Trade on Polymarket

BUY YES

Cost: 49.0¢
Implied chance: 49.0%
Return if right: 104.1%
Spread cost: 43%

If you put in $100

You get 204.1 shares at 49.0¢ each.

YES wins: $204.08 back, a profit of $104.08. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $77.61 of that profit. Without it you would make $181.69.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy YES on Polymarket

BUY NO

Cost: 78.0¢
Implied chance: 78.0%
Return if right: 28.2%
Spread cost: 49%

If you put in $100

You get 128.2 shares at 78.0¢ each.

NO wins: $128.21 back, a profit of $28.21. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $26.83 of that profit. Without it you would make $55.04.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy NO on Polymarket

Chance over time

1H 6H 1D 1W 1M ALL

Latest: Aug 7, 01:00 PM4 further outcomes not shown

Latest news

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How this market resolves

This market refers to the tennis match between Michele Ribecai and Andrea Guerrieri in the Grodzisk Mazowiecki, originally scheduled for August 7, 2026 at 5:00AM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game toward the total. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50. Resolution will be based on official Challenger results.

Source: https://www.atptour.com/en/scores/current