Will Flavio Cobolli advance to the Round of 16 in Men's Singles at the 2026 US Open?

Q: Will Flavio Cobolli advance to the Round of 16 in Men's Singles at the 2026 US Open?

Prediction markets currently price this at 48%. A YES share costs 48.0¢ and pays $1 if it happens. That is a return of 108.3% over 12d.

US Open 2026: To Reach Round of 16 (Men's Singles)$5k liquidity$21 volumecloses 12d

ATPSportsTennisUS Open

Trade on Polymarket

BUY YES

Cost: 48.0¢
Implied chance: 48.0%
Return if right: 108.3%
Spread cost: 4%

If you put in $100

You get 208.3 shares at 48.0¢ each.

YES wins: $208.33 back, a profit of $108.33. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $4.43 of that profit. Without it you would make $112.77.

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: 54.0¢
Implied chance: 54.0%
Return if right: 85.2%
Spread cost: 4%

If you put in $100

You get 185.2 shares at 54.0¢ each.

NO wins: $185.19 back, a profit of $85.19. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $3.49 of that profit. Without it you would make $88.68.

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 26, 11:48 AM4 further outcomes not shown

Latest news

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How this market resolves

This market will resolve to "Yes" if the listed player clinches a spot in the Round of 16 at the 2026 US Open per US Open rules. Otherwise, the associated market will resolve to "No". If at any point it becomes impossible for the listed player to clinch a spot in the Round of 16 at the 2026 US Open (e.g. the player is eliminated), the associated market will resolve to "No". If the 2026 US Open is cancelled, postponed after September 27, 11:59 PM ET, or the players that qualified for the Round of 16 have not been officially confirmed by the USTA within that timeframe, this market will resolve to "No". The resolution source for this market will be official information from the USTA and ATP; however, a consensus of credible reporting may also be used.