
Jan Choinski defeated Daniel Altmaier 7-5 7-6 in the Germany F1 round of 32 on carpet. The upset overturned the form book — Daniel Altmaier came in ranked #65, leading the head-to-head 1–0. Jan Choinski claimed a first win over Daniel Altmaier in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-12-01 | M15 Santo Domingo 1 | F | hard | Daniel Altmaier | 6-3 4-6 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Choinski J.: 1 day rest · 1 match, 19 games (7d) · Altmaier D.: 5 days rest · 2 matches, 46 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