Set 1 Winner: Marta Kostyuk vs Liudmila Samsonova

This market refers to the tennis match between Marta Kostyuk and Liudmila Samsonova in the Guadalajara Open Akron, originally scheduled for September 17, 2026 at 12:00PM ET. This market will resolve to “Marta Kostyuk” if Marta Kostyuk wins the first set. It will resolve to “Liudmila Samsonova” if Liudmila Samsonova 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 WTA match statistics.