Stefan Wauters defeated Ivan Cinkus 0-6 7-5 7-6 in the Croatia 1 4 round of 16 on clay. The upset overturned the form book — Ivan Cinkus came in leading the head-to-head 1–0, but Stefan Wauters had been the form player, winning 3 of their last 8 on clay. Stefan Wauters claimed a first win over Ivan Cinkus in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-02-12 | Croatia F1 | R16 | hard | Ivan Cinkus | 7-6(3) 6-3 |