Sascha Hesse defeated Petar Popovic 6-4 6-4 in the Germany F8 round of 32 on clay. The upset overturned the form book — Petar Popovic came in leading the head-to-head 1–0. Sascha Hesse claimed a first win over Petar Popovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-01-31 | Germany F5 | R16 | carpet | Petar Popovic | 4-6 7-6(3) 7-6(4) |