This market refers to the tennis match between Diana Shnaider and Liudmila Samsonova in the Mubadala Citi DC Open, originally scheduled for July 31, 2026 at 3:30PM ET. This market will resolve to 'Diana Shnaider' if Diana Shnaider advances against Liudmila Samsonova. This market will resolve to 'Liudmila Samsonova' if Liudmila Samsonova advances against Diana Shnaider. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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.