W15 Essen: Arina Kostina vs Chanel Janssen
Market intelligence
Polymarket currently prices this at 50%.
About this market
This market refers to the tennis match between Arina Kostina and Chanel Janssen in the W15 Essen, Qualifying, originally scheduled for October 25, 2026 at 9:30AM ET. This market will resolve to 'Arina Kostina' if Arina Kostina advances against Chanel Janssen. This market will resolve to 'Chanel Janssen' if Chanel Janssen advances against Arina Kostina. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.