

Jan Choinski defeated Alex Barrena 6-3, 6-2 in the Round of 16 at the Bonn tournament on clay. Choinski hit 5 aces and 1 double fault, winning 82% of his first serves and converting 50% of break points. He won 4 service breaks to Barrena's 1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-03-16 | M25 Anapoima 1 | R16 | clay | Alex Barrena | 6-3 2-6 7-5 |
Averages over each player's completed matches in the selected window (30 vs 25). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Clear favourite · Choinski J. clearly ahead, but no certainty
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.
Choinski J.: 6 days rest · 1 match, 39 games (7d) · Barrena A.: 4 days rest · 3 matches, 40 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