Halle Open (Doubles): Arribage/Olivetti vs Altmaier/Fonseca

This market refers to the doubles tennis match between Arribage/Olivetti and Altmaier/Fonseca in the Halle Open, originally scheduled for June 21, 2026 at 7:00AM ET. This market will resolve to 'Arribage/Olivetti' if the team of Arribage/Olivetti advances against Altmaier/Fonseca. This market will resolve to 'Altmaier/Fonseca' if the team of Altmaier/Fonseca advances against Arribage/Olivetti. 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.