
George Von Massow defeated Jan Choinski 6-3 7-5 in the Germany F9 round of 16 on clay. The upset overturned the form book — Jan Choinski came in leading the head-to-head 2–0. George Von Massow claimed a first win over Jan Choinski in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-08 | Sweden F1 | R32 | clay | Jan Choinski | 6-3 2-6 6-4 |
| 2015-07-20 | Germany F8 | QF | clay | Jan Choinski | 6-4 6-1 |
Averages over each player's completed matches in the selected window (68 vs 200). ATP, WTA & Challenger.
Choinski J.: 2 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