Reginald Willems defeated Julien Boutter 7-6 6-4 in the Belgium Masters 1 semi-final on clay. The upset overturned the form book — Julien Boutter came in leading the head-to-head 1–0, but Reginald Willems had been the form player, winning 3 of their last 5 on clay. Reginald Willems claimed a first win over Julien Boutter in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-08-02 | Belgium Masters 3 | QF | clay | Julien Boutter | 6-3 6-4 |
Averages over each player's completed matches in the selected window (2 vs 145). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About