Serial sharp scaling into Yingqun Sun

This market refers to the tennis match between Polina Leykina and Yingqun Sun in the W35 Shenyang, Qualifying, originally scheduled for September 13, 2026 at 10:30PM ET. This market will resolve to 'Polina Leykina' if Polina Leykina advances against Yingqun Sun. This market will resolve to 'Yingqun Sun' if Yingqun Sun advances against Polina Leykina. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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.