Proven 87% winner adding to position

This market refers to the tennis match between Magda Linette and Katerina Siniakova in the Japan Women's Open, originally scheduled for October 21, 2026 at 9:00PM ET. This market will resolve to 'Magda Linette' if Magda Linette advances against Katerina Siniakova. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Magda Linette. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.