Karol Kucera defeated Filip Kascak 6-0 6-1 in the Slovak Republic Masters 4 qualifying round on clay. The upset overturned the form book — Filip Kascak came in leading the head-to-head 1–0. Karol Kucera claimed a first win over Filip Kascak in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-08-21 | Slovak Republic Masters 1 | R16 | clay | Filip Kascak | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.