Ivan Cinkus defeated Vilim Visak 6-1 6-3 in the Croatia F9 round of 16 on clay. The upset overturned the form book — Vilim Visak came in leading the head-to-head 1–0. Ivan Cinkus claimed a first win over Vilim Visak in two meetings, levelling the head-to-head at 1–1.
Cinkus I. took it in straight sets.
Ivan Cinkus beat Vilim Visak 6-1 6-3. Umpiry, "Ivan Cinkus vs Vilim Visak — Croatia F9 Round of 16", https://umpiry.com/match/2003-10-13/cinkus-vs-visak-croatia-f9-r16?utm_source=cite (as of 13 October 2003).