HSBC Championships: Elena Rybakina vs Tatjana Maria Match O/U 21.5

Event Rules

This market refers to the tennis match between Elena Rybakina and Tatjana Maria in the HSBC Championships, originally scheduled for June 11, 2026 at 5:00AM ET. This market will resolve to 'Elena Rybakina' if Elena Rybakina advances against Tatjana Maria. This market will resolve to 'Tatjana Maria' if Tatjana Maria advances against Elena Rybakina. 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 WTA Tour. A consensus of credible reporting may also be used.