Set 1 Winner: Reyes/Stalder vs Santillan/Sun

This market refers to the tennis match between Reyes/Stalder and Santillan/Sun in the Guangzhou, originally scheduled for September 17, 2026 at 6:30AM ET. This market will resolve to “Reyes/Stalder” if Reyes/Stalder wins the first set. It will resolve to “Santillan/Sun” if Santillan/Sun wins the first set. If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled (not played at all) or play has not begun by October 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official Challenger match statistics.