Aleksander Mierzwinski defeated Reginald Willems 6-4 7-6 in the France 6 Masters 3 round of 32 on hard. The upset overturned the form book — Reginald Willems came in leading the head-to-head 1–0. Aleksander Mierzwinski claimed a first win over Reginald Willems in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-02 | Belgium Masters 1 | R16 | clay | Reginald Willems | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.