TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 2:15 PM EST
Kalshi
This event tracks the total number of games played in a professional tennis match between Stefanos Tsitsipas and Arthur Fils at the 2026 US Open. Bettors assess whether the match will extend beyond specific game thresholds. The outcome depends entirely on the match's progress and completion.
The event determines whether the total number of completed games in the Stefanos Tsitsipas vs Arthur Fils match at the 2026 US Open Men Singles Round of 128 exceeds specified thresholds of 31.5, 36.5, or 41.5 games. If the match does not commence due to injury, walkover, forfeiture, or cancellation before play begins, all markets resolve to a fair price. Postponements or delays keep markets open until the rescheduled match concludes, with resolution within two weeks. If a player retires during the match, markets that can be settled based on completed play resolve accordingly, while unresolved markets settle at a Fair Market Price determined by the Exchange. The Exchange disclaims any official affiliation with the governing league, and all trademarks remain property of their respective owners.
This market resolves around Aug 31, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The final game count from the official match result determines whether the over or under threshold is met, closing the market and settling all positions based on that definitive count.
Injuries, weather delays, or strategic changes by either player can shift expectations for match length and move this market. Strong early performance or a high number of breaks may push probabilities toward the over, while a quick, controlled victory could favor the under. News on player form, head-to-head history updates, and betting trends on Kalshi also frequently influence trader sentiment and price action leading to Aug 31, 2026.