This market refers to the tennis match between Marta Kostyuk and Liudmila Samsonova in the Guadalajara Open Akron, originally scheduled for September 17, 2026 at 12:00PM ET. This market will resolve to "Marta Kostyuk" if Marta Kostyuk wins by 2 or more sets than Liudmila Samsonova, based on the final completed score. Otherwise, it will resolve to "Liudmila Samsonova." If the match begins but is not completed due to retirement, default, or disqualification, this market will resolve 50-50, unless the outcome of this market has already been unconditionally determined by the completed portion of play. For example, if the deciding set has begun when the match ends, Marta Kostyuk can no longer win by 2 or more sets, and this market will resolve to "Liudmila Samsonova." If the match is canceled before play begins, or a result has not been determined by October 1, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve 50-50. Resolution will be based on official WTA results.