This market refers to the tennis match between Keisuke Saitoh and Yusuke Takahashi in the Matsuyama, Japan, Qualifying, originally scheduled for November 7, 2026 at 10:20PM ET. This market will resolve to 'Keisuke Saitoh' if Keisuke Saitoh advances against Yusuke Takahashi. This market will resolve to 'Yusuke Takahashi' if Yusuke Takahashi advances against Keisuke Saitoh. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 21, 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.