
Pirmin Haenle defeated Jan Choinski 4-6 6-4 7-6 in the Germany F2 round of 32 on hard. The upset overturned the form book — Jan Choinski came in leading the head-to-head 1–0. Pirmin Haenle claimed a first win over Jan Choinski in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-01-09 | Germany F1 | R32 | carpet | Jan Choinski | 6-1 6-2 |
Averages over each player's completed matches in the selected window (51 vs 200). ATP, WTA & Challenger.
Choinski J.: 3 days rest · 1 match, 19 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About