Jan Mertl defeated Jiri Vencl 6-2 7-5 in the Slovak Rep F5 round of 32 on clay. Jan Mertl extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-11-04 | Czech Rep F7 | R16 | hard | Jiri Vencl | 7-5 7-5 |
| 2001-08-27 | Egypt 2 4 | F | clay | Jan Mertl | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.