Istanbul (Doubles): Gornes/Walkow vs Ayeni/Cook

This market refers to the doubles tennis match between Gornes/Walkow and Ayeni/Cook in the Istanbul, originally scheduled for May 19, 2026 at 3:00AM ET. This market will resolve to 'Gornes/Walkow' if the team of Gornes/Walkow advances against Ayeni/Cook. This market will resolve to 'Ayeni/Cook' if the team of Ayeni/Cook advances against Gornes/Walkow. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 ATP Tour. A consensus of credible reporting may also be used.