This market refers to the tennis match between Jie Cui and Petr Bar Biryukov in the Ningbo, originally scheduled for October 30, 2026 at 4:30AM ET. This market will resolve to 'Jie Cui' if Jie Cui advances against Petr Bar Biryukov. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Jie Cui. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 13, 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 ATP Tour. A consensus of credible reporting may also be used.