Vedran Siljegovic defeated Ante Nakic Alfirevic 2-6 7-5 6-2 in the Croatia F2 round of 32 on hard. The upset overturned the form book — Ante Nakic Alfirevic came in leading the head-to-head 1–0. Vedran Siljegovic claimed a first win over Ante Nakic Alfirevic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-28 | Bosnia & Herzegovina F4 | R32 | clay | Ante Nakic Alfirevic | 6-3 4-6 6-2 |