This market will settle to Yes if Jannik Sinner wins the 2026 US Open men's singles championship scheduled for September 13, 2026. If the player does not compete, withdraws, or does not win for any reason, the market will settle to No. If the tournament is delayed, postponed, or rescheduled, the settlement date will be amended to the rescheduled date. If the tournament is delayed, postponed, or suspended and not rescheduled to a date within two weeks of the originally scheduled date, the market will settle to the last fair market price. Outcome sourced from ATP.