Who will win in the upcoming tennis event Karol Filar vs John Sperle scheduled for September 9, 2026 at 12:00 PM UTC?

Prediction market on polymarket_us. This market will settle to the winner of the Karol Filar vs John Sperle ITF match scheduled for Sep 9, 2026. If the match does not begin due to a walkover, withdrawal, or cancellation, the market will settle to $0.50. If the match is delayed, postponed, or suspended and not rescheduled to a date within two weeks of the originally scheduled date, the market will settle to $0.50. Outcome sourced from ITF.

Resolves: 9/23/2026.