Marko Tkalec defeated Vjekoslav Skenderovic 6-1 7-6 in the Croatia F7 qualifying round on clay. The upset overturned the form book — Vjekoslav Skenderovic 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 Vjekoslav Skenderovic in two meetings, levelling the head-to-head at 1–1.
Tkalec M. took it in straight sets.
Marko Tkalec beat Vjekoslav Skenderovic 6-1 7-6(5). Umpiry, "Marko Tkalec vs Vjekoslav Skenderovic — Croatia F7 Qualifying Round", https://umpiry.com/match/2003-09-29/skenderovic-vs-tkalec-croatia-f7-qf?utm_source=cite (as of 29 September 2003).