Ante Nakic Alfirevic defeated Nikola Martinovic 7-6 6-4 in the Croatia F6 round of 16 on clay. The upset overturned the form book — Nikola Martinovic came in leading the head-to-head 1–0. Ante Nakic Alfirevic claimed a first win over Nikola Martinovic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-03-26 | Croatia F5 | R32 | clay | Nikola Martinovic | 6-1 7-6(1) |