Stefan Wiespeiner defeated Aleksander Slovic 6-3 6-4 in the Serbia & Montenegro 1 3 round of 16 on clay. The upset overturned the form book — Aleksander Slovic came in leading the head-to-head 1–0. Stefan Wiespeiner claimed a first win over Aleksander Slovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-08 | Serbia & Montenegro F5 | F | clay | Aleksander Slovic | 6-2 6-2 |