Jan Mertl defeated Andriej Kapas 5-7 6-3 6-4 in the Wroclaw CH round of 16 on hard. The result followed the form book — Jan Mertl came in leading the head-to-head 2–1. Jan Mertl extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-04-03 | China F4 | QF | hard | Jan Mertl | 7-6(2) 4-6 6-4 |
| 2014-05-12 | Czech Republic F1 | F | clay | Jan Mertl | 6-1 2-6 6-0 |
| 2011-11-21 | Czech Republic F5 | SF | carpet | Andriej Kapas | 6-4 7-6(4) |
Averages over each player's completed matches in the selected window (97 vs 89). 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