Boy Wijnmalen defeated Walter Orth 6-4 6-4 in the Netherlands 4 round of 32 on clay. The upset overturned the form book — Walter Orth came in leading the head-to-head 1–0. Boy Wijnmalen claimed a first win over Walter Orth in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-06-10 | Netherlands 1 1 | R32 | clay | Walter Orth | 6-4 7-6(5) |