Roberto Ferrer Guimaraes vs Kostiantyn Zviahintsev

This market refers to the tennis match between Roberto Ferrer Guimaraes and Kostiantyn Zviahintsev in the ITF M25 Southaven, MS Men, Qualifying, originally scheduled for August 3, 2026 at 10:00AM ET. This market will resolve to 'Roberto Ferrer Guimaraes' if Roberto Ferrer Guimaraes advances against Kostiantyn Zviahintsev. This market will resolve to 'Kostiantyn Zviahintsev' if Kostiantyn Zviahintsev advances against Roberto Ferrer Guimaraes. 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.