This market refers to the tennis match between Daria Kasatkina and Mariam Bolkvadze in the Mubadala Citi DC Open, Qualification, originally scheduled for July 25, 2026 at 1:00PM ET. This market will resolve to 'Daria Kasatkina' if Daria Kasatkina advances against Mariam Bolkvadze. This market will resolve to 'Mariam Bolkvadze' if Mariam Bolkvadze advances against Daria Kasatkina. 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.