Jan Mertl defeated Petr Nouza 6-3 6-4 in the Prostejov CH qualifying round 1 on clay. The result followed the form book — Jan Mertl came in leading the head-to-head 1–0. Jan Mertl extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-17 | Czech Republic F6 | SF | clay | Jan Mertl | 4-6 7-6(5) 7-5 |
Averages over each player's completed matches in the selected window (7 vs 144). 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