Stefan Wiespeiner defeated Aleksandar Grubin 6-2 6-4 in the Bosnia & Herzegovina F2 qualifying round on clay. The upset overturned the form book — Aleksandar Grubin came in leading the head-to-head 1–0. Stefan Wiespeiner claimed a first win over Aleksandar Grubin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-04-04 | Turkey 1 3 | R32 | clay | Aleksandar Grubin | 7-5 2-6 6-2 |