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, levelling the head-to-head at 1–1.
Gregorc M. took it in straight sets.
Miha Gregorc beat Kresimir Ritz 7-5 6-1. Umpiry, "Miha Gregorc vs Kresimir Ritz — Croatia 2 Masters 4 Round of 32", https://umpiry.com/match/1999-04-03/gregorc-vs-ritz-croatia-2-masters-4-r32?utm_source=cite (as of 3 April 1999).