Set 1 Winner: Sonay Kartal vs Kimberly Birrell

This market refers to the tennis match between Sonay Kartal and Kimberly Birrell in the Japan Women's Open, originally scheduled for October 18, 2026 at 9:00PM ET. This market will resolve to “Sonay Kartal” if Sonay Kartal wins the first set. It will resolve to “Kimberly Birrell” if Kimberly Birrell 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 November 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. This market may resolve only when the listed period of play has concluded and the result can be definitively determined by the listed resolution source(s).