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This market refers to the tennis match between Katerina Siniakova and Lanlana Tararudee in the Guangzhou Open, originally scheduled for October 26, 2026 at 10:00PM ET. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Lanlana Tararudee. This market will resolve to 'Lanlana Tararudee' if Lanlana Tararudee advances against Katerina Siniakova. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 9, 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.