

Hugo Grenier defeated Jan Choinski 6-4 6-4 in the Nottingham CH round of 32 on grass. The upset overturned the form book — Jan Choinski came in ranked #90. Hugo Grenier extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-02-09 | Rotterdam | Q1 | hard | Hugo Grenier | 7-5 6-2 |
| 2015-09-28 | France F20 | SF | carpet | Jan Choinski | 6-2 6-3 |
Averages over each player's completed matches in the selected window (165 vs 187). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Grenier H.: 7 days rest · 1 match, 14 games (7d) · Choinski J.: 9 days rest · 4 matches (14d). 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