Mariano Kestelboim defeated George Von Massow 6-4 2-6 6-3 in the Braunschweig CH qualifying round 2 on clay. The upset overturned the form book — George Von Massow came in leading the head-to-head 1–0, defending last year's round of 32. Mariano Kestelboim claimed a first win over George Von Massow in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-02-27 | Turkey F8 | R32 | hard | George Von Massow | 6-7(4) 6-4 6-4 |
Averages over each player's completed matches in the selected window (199 vs 15). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About