Miha Gregorc defeated Kresimir Ritz 7-5 6-1 in the Croatia 2 Masters 4 round of 32 on clay. The upset overturned the form book — Kresimir Ritz came in leading the head-to-head 1–0, but Miha Gregorc had been the form player, winning 3 of their last 6 on clay. Miha Gregorc claimed a first win over Kresimir Ritz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-07-22 | Slovenia F2 | R32 | clay | Kresimir Ritz | 5-7 6-3 6-2 |