This market resolved: Yes (99%)
Resolved: Sep 8, 2026, 11:43 PM
Provider-verified resolution
CoinRithm has provider-backed winner and settlement-time evidence for this market.
Current community forecastYes 99%
Forecasters
18
Question type
binary
Methodology
Play-money forecasting platform
Source type
Forecast
Market data
Updated 43 minutes ago
Aug 19, 26, 10:19 AM UTCSep 8, 26, 11:43 PM UTC
Probability Timeline
Yes99%
No1%
99%
1%
Related Markets
Related questions for context, not a comparison of equivalent contracts.
🎾 Will an American man reach the 2026 US Open men's singles final?
Manifold MarketsUS Open Men's Singles: Americans to Reach Semifinals
KalshiUS Open Women's Singles: Americans to Reach Semifinals
KalshiUS Open 2026: To Reach Semifinals (Women's Singles)
PolymarketUS Open 2026: To Reach Semifinals (Men's Singles)
PolymarketUS Open Men's Singles Winner
KalshiRules
Resolves YES if at least one player representing the United States is among the four men's singles semifinalists at the 2026 US Open.
- A player counts as a semifinalist if he is listed in the men's singles semifinal of the official draw - including advancing by walkover or by his opponent's retirement/withdrawal in the quarterfinal.
- He does NOT need to win the semifinal.
- Nationality is taken from the player's official US Open / ATP Tour profile country.
- RESOLUTION SOURCE: the official draw and results at usopen.org (with atptour.com as backup if usopen.org is unavailable).
- Resolves as soon as all four semifinalists are determined (expected ~September 9-10, 2026).