This market refers to the tennis match between Duncan Chan and Denis Petak in the Columbus, USA, Qualifying, originally scheduled for September 27, 2026 at 12:20PM ET. This market will resolve to 'Duncan Chan' if Duncan Chan advances against Denis Petak. This market will resolve to 'Denis Petak' if Denis Petak advances against Duncan Chan. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 11, 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.