This market refers to the tennis match between Simona Waltert and Mayar Sherif in the Hamburg European Open, originally scheduled for July 21, 2026 at 4:00AM ET. This market will resolve to 'Simona Waltert' if Simona Waltert advances against Mayar Sherif. This market will resolve to 'Mayar Sherif' if Mayar Sherif advances against Simona Waltert. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due t...