Set 1 Winner: Acosta vs Tseng

Prediction market on polymarket. This market refers to the tennis match between Facundo Acosta and Chun-Hsin Tseng in the Francavilla, originally scheduled for May 8, 2026 at 11:00AM ET. This market will resolve to “Acosta” if Facundo Acosta wins the first set. It will resolve to “Tseng” if Chun-Hsin Tseng 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 is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50. Resolution will be based on official Challenger match statistics.

Resolves: 5/15/2026.