Bertrand Contzler defeated Jerome Haehnel 6-4 6-3 in the France F6 round of 32 on clay. The upset overturned the form book — Jerome Haehnel came in leading the head-to-head 2–0. Bertrand Contzler claimed a first win over Jerome Haehnel in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-01-12 | Germany F2 | SF | hard | Jerome Haehnel | 2-6 7-6(3) 6-4 |
| 2002-06-24 | France F11 | R32 | clay | Jerome Haehnel | 4-6 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.