Marko Tkalec defeated Radovan Chrz 6-4 6-4 in the Slovenia Masters 1 round of 32 on clay. The upset overturned the form book — Radovan Chrz came in leading the head-to-head 1–0, but Marko Tkalec had been the form player, winning 5 of their last 5 on clay. Marko Tkalec claimed a first win over Radovan Chrz in two meetings, levelling the head-to-head at 1–1.
Tkalec M. took it in straight sets.
Marko Tkalec beat Radovan Chrz 6-4 6-4. Umpiry, "Marko Tkalec vs Radovan Chrz — Slovenia Masters 1 Round of 32", https://umpiry.com/match/1997-07-12/chrz-vs-tkalec-slovenia-masters-1-r32?utm_source=cite (as of 12 July 1997).