Lehecka vs Struff — Jiri Lehecka

Kalshi — primary rule

If Jiri Lehecka wins the Lehecka vs Struff professional tennis match in the 2026 ATP Basel Semifinal after a ball has been played, then the market resolves to Yes.

Polymarket — resolution criteria

This market refers to the tennis match between Jiri Lehecka and Jan-Lennard Struff in the Swiss Indoors Basel, originally scheduled for October 31, 2026 at 12:00PM ET. This market will resolve to 'Jiri Lehecka' if Jiri Lehecka advances against Jan-Lennard Struff. This market will resolve to 'Jan-Lennard Struff' if Jan-Lennard Struff advances against Jiri Lehecka. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 14, 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.