Nikola Gnjatovic defeated Milen Velev 1-6 6-1 6-4 in the Yugoslavia 2 Masters 4 round of 32 on clay. The upset overturned the form book — Milen Velev came in leading the head-to-head 2–0. Nikola Gnjatovic claimed a first win over Milen Velev in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-08 | Yugoslavia F3B | R16 | clay | Milen Velev | 6-1 6-2 |
| 1997-08-09 | Yugoslavia 2 Masters 3 | R16 | clay | Milen Velev | 6-3 7-6 |