Set 1 Winner: Katja Wiersholm vs Berta Passola

This market refers to the tennis match between Katja Wiersholm and Berta Passola in the W50 Berkeley, CA, originally scheduled for September 21, 2026 at 2:00PM ET. This market will resolve to “Katja Wiersholm” if Katja Wiersholm wins the first set. It will resolve to “Berta Passola” if Berta Passola 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 5, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official ITF match statistics.