W50 Istanbul: Raluca Georgiana Serban vs Ekaterina Tupitsyna

This market refers to the tennis match between Raluca Georgiana Serban and Ekaterina Tupitsyna in the W50 Istanbul, Main Draw, originally scheduled for October 27, 2026 at 3:00AM ET. This market will resolve to 'Raluca Georgiana Serban' if Raluca Georgiana Serban advances against Ekaterina Tupitsyna. This market will resolve to 'Ekaterina Tupitsyna' if Ekaterina Tupitsyna advances against Raluca Georgiana Serban. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 10, 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.