Filip Horansky defeated Alexander Erler 3-6 6-3 6-2 in the Tulln CH qualifying round 1 on clay. The upset overturned the form book — Alexander Erler came in leading the head-to-head 1–0, defending last year's round of 32. Filip Horansky claimed a first win over Alexander Erler in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-08-21 | Turkey F31 | R16 | clay | Alexander Erler | 2-6 6-2 6-4 |
Averages over each player's completed matches in the selected window (47 vs 29). 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