Caldas da Rainha: Ayla Aksu vs Elena Malygina Match O/U 21.5

Event Rules

This market refers to the tennis match between Ayla Aksu and Elena Malygina in the Caldas da Rainha, originally scheduled for September 15, 2026 at 10:30AM ET. This market will resolve to 'Ayla Aksu' if Ayla Aksu advances against Elena Malygina. This market will resolve to 'Elena Malygina' if Elena Malygina advances against Ayla Aksu. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 29, 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 WTA Tour. A consensus of credible reporting may also be used.