This market refers to the tennis match between Claus Piening and Alexander-Ivan Popadic in the ITF M15 Båstad Men, Qualifying, originally scheduled for August 17, 2026 at 6:30AM ET. This market will resolve to 'Claus Piening' if Claus Piening advances against Alexander-Ivan Popadic. This market will resolve to 'Alexander-Ivan Popadic' if Alexander-Ivan Popadic advances against Claus Piening. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.