Philipp Mullner defeated Ilia Kushev 6-4 6-4 in the Bulgaria 1 1 round of 32 on clay. The upset overturned the form book — Ilia Kushev came in leading the head-to-head 1–0. Philipp Mullner claimed a first win over Ilia Kushev in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-05-05 | Bulgaria 1 4 | SF | clay | Ilia Kushev | 6-7(5) 6-2 6-3 |