Vaclav Safranek defeated Jan Mertl 5-7 6-2 7-6 in the Kazakhstan F1 qualifying round on hard. The upset overturned the form book — Jan Mertl came in leading the head-to-head 1–0. Vaclav Safranek claimed a first win over Jan Mertl in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-11 | Czech Republic F1 | SF | clay | Jan Mertl | 7-5 6-4 |
Averages over each player's completed matches in the selected window (184 vs 16). 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