Ladislav Simon defeated Tomas Catar 6-1 6-3 in the Slovak Rep Masters 4 round of 32 on clay. The upset overturned the form book — Tomas Catar came in leading the head-to-head 1–0. Ladislav Simon claimed a first win over Tomas Catar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-18 | Slovak Republic Masters 3 | R16 | clay | Tomas Catar | 6-2 7-5 |