Estoril Open: Alexander Blockx vs Luciano Darderi Match O/U 21.5

Event Rules

This market refers to the tennis match between Alexander Blockx and Luciano Darderi in the Estoril Open, originally scheduled for July 25, 2026 at 2:00PM ET. This market will resolve to 'Alexander Blockx' if Alexander Blockx advances against Luciano Darderi. This market will resolve to 'Luciano Darderi' if Luciano Darderi advances against Alexander Blockx. 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 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 ATP Tour. A consensus of credible reporting may also be used.