Who will win in the upcoming tennis event Roman Valetov vs Filippo Callerio scheduled for September 6, 2026 at 9:00 AM UTC?

Prediction market on polymarket_us. This market will settle to the winner of the Roman Valetov vs Filippo Callerio ITF match scheduled for Sep 6, 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: 9/20/2026.