Porto (Doubles): Kielan/Vliegen vs Marcos/Lopez

This market refers to the doubles tennis match between Kielan/Vliegen and Marcos/Lopez in the Porto, originally scheduled for September 3, 2026 at 8:30AM ET. This market will resolve to 'Kielan/Vliegen' if the team of Kielan/Vliegen advances against Marcos/Lopez. This market will resolve to 'Marcos/Lopez' if the team of Marcos/Lopez advances against Kielan/Vliegen. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 17, 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 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.