Martijn Van Haasteren defeated Stefan Wauters 6-3 3-6 6-3 in the Belgium F1 qualifying round on carpet. The upset overturned the form book — Stefan Wauters came in leading the head-to-head 1–0. Martijn Van Haasteren claimed a first win over Stefan Wauters in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-01-31 | France F3 | SF | hard | Stefan Wauters | 6-4 6-3 |