W50 Berkeley, CA: Karla Bartel vs Janae Preston

This market refers to the tennis match between Karla Bartel and Janae Preston in the W50 Berkeley, CA, Qualifying, originally scheduled for September 21, 2026 at 1:00PM ET. This market will resolve to 'Karla Bartel' if Karla Bartel advances against Janae Preston. This market will resolve to 'Janae Preston' if Janae Preston advances against Karla Bartel. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 5, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.