ITF Pelham: Antonia Rivera vs Madison Sieg

This market refers to the tennis match between Antonia Rivera and Madison Sieg in the ITF Women Pelham, originally scheduled for May 19, 2026 at 2:30PM ET. This market will resolve to 'Antonia Rivera' if Antonia Rivera advances against Madison Sieg. This market will resolve to 'Madison Sieg' if Madison Sieg advances against Antonia Rivera. 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.

• Resolver: official source.
• Deadline: closing date in UTC.
• Disputed outcomes: handled by moderators within 48 hours.