Set 1 Winner: Ambrogi/Bueno vs Kellovsky/Mrva

This market refers to the tennis match between Ambrogi/Bueno and Kellovsky/Mrva in the Liberec, originally scheduled for July 28, 2026 at 4:00AM ET. This market will resolve to “Ambrogi/Bueno” if Ambrogi/Bueno wins the first set. It will resolve to “Kellovsky/Mrva” if Kellovsky/Mrva 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.