Jerome Haehnel defeated Regis Lavergne 6-7 6-4 6-1 in the France F6 round of 32 on hard. The upset overturned the form book — Regis Lavergne came in leading the head-to-head 2–0. Jerome Haehnel claimed a first win over Regis Lavergne in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-01-27 | France F4 | R16 | hard | Regis Lavergne | 7-6(4) 6-7(6) 6-3 |
| 2001-10-08 | France F19 | R16 | carpet | Regis Lavergne | 7-6(5) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.