Marian Leysek defeated Erik Csarnakovics 7-6 7-6 in the Slovak Rep F6 round of 32 on clay. The upset overturned the form book — Erik Csarnakovics came in leading the head-to-head 1–0. Marian Leysek claimed a first win over Erik Csarnakovics in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-10-09 | Portugal 2 4 | R32 | hard | Erik Csarnakovics | 6-2 4-6 6-2 |