Ivan Cinkus defeated Stefan Wauters 7-6 6-3 in the Croatia F1 round of 16 on hard. The upset overturned the form book — Stefan Wauters came in leading the head-to-head 1–0. Ivan Cinkus claimed a first win over Stefan Wauters in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-03-12 | Croatia 1 4 | R16 | clay | Stefan Wauters | 0-6 7-5 7-6(4) |