This market refers to the tennis match between Laura Mair and Marianna Argyrokastriti in the W15 Badalona, Main Draw, originally scheduled for September 5, 2026 at 4:00AM ET. This market will resolve to 'Laura Mair' if Laura Mair advances against Marianna Argyrokastriti. This market will resolve to 'Marianna Argyrokastriti' if Marianna Argyrokastriti advances against Laura Mair. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 19, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.