Relja Fiser Dulic defeated Laszlo Fono 6-1 6-1 in the Yugoslavia 4 qualifying round on clay. The result followed the form book — Relja Fiser Dulic came in leading the head-to-head 1–0. Relja Fiser Dulic extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-19 | Hungary Masters 3 | R16 | clay | Relja Fiser Dulic | 6-3 6-7 6-2 |