European Open: Botic van de Zandschulp vs Clement Chidekh

Kalshi — primary rule

If Botic Van de Zandschulp wins the Van de Zandschulp vs Chidekh professional tennis match in the 2026 ATP Brussels Round Of 32 after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Botic van de Zandschulp and Clement Chidekh in the European Open, originally scheduled for October 20, 2026 at 4:00AM ET. This market will resolve to 'Botic van de Zandschulp' if Botic van de Zandschulp advances against Clement Chidekh. This market will resolve to 'Clement Chidekh' if Clement Chidekh advances against Botic van de Zandschulp. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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.