Nicolas Coutelot defeated Johann Potron 6-2 0-6 6-3 in the Belgium F1 round of 32 on clay. The upset overturned the form book — Johann Potron came in leading the head-to-head 2–0, but Nicolas Coutelot had been the form player, winning 4 of their last 5 on clay. Nicolas Coutelot claimed a first win over Johann Potron in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-06-14 | Netherlands Masters 1 | R32 | clay | Johann Potron | 6-4 7-6 |
| 1997-07-28 | France 4 Masters 3 | R16 | clay | Johann Potron | 6-3 3-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.