Peter Capkovic defeated Martin Vacek 6-3 6-1 in the Slovak Rep F2 round of 16 on clay. The upset overturned the form book — Martin Vacek came in leading the head-to-head 2–0. Peter Capkovic claimed a first win over Martin Vacek in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-07-17 | Umag | Q16 | clay | Martin Vacek | 6-2 6-3 |
| 2004-05-24 | Hungary F3 | R16 | clay | Martin Vacek | 4-6 6-4 7-6(1) |