Marek Jaloviec defeated Jan Kuncik 7-5 6-2 in the Czech Republic F2 qualifying round on clay. The upset overturned the form book — Jan Kuncik came in leading the head-to-head 1–0, but Marek Jaloviec had been the form player, winning 2 of their last 5 on clay. Marek Jaloviec claimed a first win over Jan Kuncik in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-27 | Czech Republic F3 | R32 | clay | Jan Kuncik | 7-6(6) 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.