This market refers to the tennis match between Kylie Collins and Katie Swan in the Caldas da Rainha, originally scheduled for September 15, 2026 at 6:30AM ET. This market will resolve to 'Kylie Collins' if Kylie Collins advances against Katie Swan. This market will resolve to 'Katie Swan' if Katie Swan advances against Kylie Collins. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 29, 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 WTA Tour. A consensus of credible reporting may also be used.