Melvyn Op Der Heijde defeated Sebastien De Chaunac 7-5 6-4 in the Germany F5 round of 32 on clay. The upset overturned the form book — Sebastien De Chaunac came in leading the head-to-head 1–0. Melvyn Op Der Heijde claimed a first win over Sebastien De Chaunac in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-05-08 | Great Britain F5 | QF | clay | Sebastien De Chaunac | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.