Ivan Cinkus defeated Marko Tkalec 6-4 6-1 in the Croatia 1 2 qualifying round on clay. The upset overturned the form book — Marko Tkalec came in leading the head-to-head 2–0. Ivan Cinkus claimed a first win over Marko Tkalec in three meetings, narrowing the head-to-head to 2–1.
Cinkus I. took it in straight sets.
Ivan Cinkus beat Marko Tkalec 6-4 6-1. Umpiry, "Ivan Cinkus vs Marko Tkalec — Croatia 1 2 Qualifying Round", https://umpiry.com/match/2001-03-12/cinkus-vs-tkalec-croatia-1-2-qf?utm_source=cite (as of 12 March 2001).