Jan Kumstat won the Liberec final on clay, defeating Gonzalo Bueno 6-3, 6-1. Kumstat hit 6 aces to Bueno's 2 and converted 36% of his break points, compared to Bueno's 0%. Kumstat won 90% of his first-serve points and took 4 service breaks to Bueno's 0.
No previous meetings on record.
Averages over each player's completed matches in the selected window (10 vs 37). ATP, WTA & Challenger.
Slight edge · Bueno G. narrowly ahead
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Kumstat J.: 1 day rest · 5 matches, 119 games (7d) · Bueno G.: 1 day rest · 1 match, 25 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About