Tomas Catar defeated Filip Kascak 6-3 6-4 in the Slovak Republic Masters 1 qualifying round on clay. The upset overturned the form book — Filip Kascak came in leading the head-to-head 3–1. Tomas Catar narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-16 | Slovak Republic Masters 3 | R16 | clay | Filip Kascak | 6-2 1-6 7-5 |
| 1997-08-18 | Slovak Republic Masters 1 | SF | clay | Filip Kascak | 6-2 6-2 |
| 1997-08-18 | Slovak Republic Masters 3 | QF | clay | Filip Kascak | 6-1 6-1 |
| 1993-08-21 | Slovak Republic Masters 3 | R32 | clay | Tomas Catar | 4-6 6-4 6-4 |