Tomas Catar defeated Filip Kascak 6-3 6-4 in the Slovak Republic Masters 1 qualifying round on clay. The upset overturned the form book — Filip Kascak came in leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Catar T. took it in straight sets.
Tomas Catar beat Filip Kascak 6-3 6-4. Umpiry, "Tomas Catar vs Filip Kascak — Slovak Republic Masters 1 Qualifying Round", https://umpiry.com/match/1999-08-16/catar-vs-kascak-slovak-republic-masters-1-qf?utm_source=cite (as of 16 August 1999).