Boris Borgula defeated Tomas Catar 6-1 6-2 in the Croatia 2 Masters 2 semi-final on clay. The upset overturned the form book — Tomas Catar came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Borgula B. took it in straight sets.
Boris Borgula beat Tomas Catar 6-1 6-2. Umpiry, "Boris Borgula vs Tomas Catar — Croatia 2 Masters 2 Semi-final", https://umpiry.com/match/1998-05-02/borgula-vs-catar-croatia-2-masters-2-sf?utm_source=cite (as of 2 May 1998).