Isabella Maria Serban vs Radka Zelnickova

This market refers to the tennis match between Isabella Maria Serban and Radka Zelnickova in the ITF Women Olomouc, originally scheduled for July 17, 2026 at 4:30AM ET. This market will resolve to 'Isabella Maria Serban' if Isabella Maria Serban advances against Radka Zelnickova. This market will resolve to 'Radka Zelnickova' if Radka Zelnickova advances against Isabella Maria Serban. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.