Tirante vs. Fils: Match O/U 22.5

Q: Tirante vs. Fils: Match O/U 22.5

Prediction markets currently price this at 50%. A YES share costs 50.0¢ and pays $1 if it happens. That is a return of 100.0% over 8d.

Cincinnati Open: Thiago Agustin Tirante vs Arthur Fils$15k liquidity$0 volumecloses 8d

TennisSportsGames

Trade on Polymarket

BUY YES

Cost: 50.0¢
Implied chance: 50.0%
Return if right: 100.0%
Spread cost: 6%

If you put in $100

You get 200.0 shares at 50.0¢ each.

YES wins: $200.00 back, a profit of $100.00. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $6.19 of that profit. Without it you would make $106.19.

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: 53.0¢
Implied chance: 53.0%
Return if right: 88.7%
Spread cost: 6%

If you put in $100

You get 188.7 shares at 53.0¢ each.

NO wins: $188.68 back, a profit of $88.68. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $5.50 of that profit. Without it you would make $94.17.

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 20, 05:36 AM4 further outcomes not shown

Latest news

headlines link to their publishers

Cincinnati Open: Djokovic stunned by Tirante in second roundAl Jazeera · 4d ago

Headlines are matched on the names in “Tirante vs. Fils: Match O/U 22.5”. Nobody checks them by hand, so one may not be relevant. They also say nothing about whether the price has already moved on this news.

How this market resolves

This market refers to the tennis match between Thiago Agustin Tirante and Arthur Fils in the Cincinnati Open, originally scheduled for August 21, 2026 at 11:00AM ET. This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to "Under." All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total. If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50. Resolution will be based on official ATP statistics.

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