This market refers to the tennis match between David Poljak and Jelle Sels in the Porto, Portugal, Qualifying, originally scheduled for August 30, 2026 at 7:20AM ET. This market will resolve to 'David Poljak' if David Poljak advances against Jelle Sels. This market will resolve to 'Jelle Sels' if Jelle Sels advances against David Poljak. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 13, 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 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.