Dejan Petrovic defeated Aleksander Slovic 6-2 6-4 in the Serbia & Montenegro 1 4 qualifying round on clay. The upset overturned the form book — Aleksander Slovic came in leading the head-to-head 1–0. Dejan Petrovic claimed a first win over Aleksander Slovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-09 | Serbia & Montenegro F1 | SF | clay | Aleksander Slovic | 6-4 6-7(3) 6-2 |