Nikola Gnjatovic defeated Zeljko Tosic 6-2 6-7 6-3 in the Yugoslavia 2 Masters 3 round of 32 on clay. The upset overturned the form book — Zeljko Tosic came in leading the head-to-head 1–0. Nikola Gnjatovic claimed a first win over Zeljko Tosic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-11 | Yugoslavia F1 | R32 | clay | Zeljko Tosic | 6-4 6-3 |