Sebastien De Chaunac defeated Jerome Haehnel 6-1 6-4 in the France F13 round of 16 on clay. The upset overturned the form book — Jerome Haehnel came in leading the head-to-head 3–1. Sebastien De Chaunac narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-25 | Lyon | Q16 | clay | Jerome Haehnel | 6-3 6-3 |
| 2007-03-19 | France F5 | R32 | hard | Sebastien De Chaunac | 4-6 7-6(4) 7-5 |
| 2001-05-28 | Roland Garros | Q128 | clay | Jerome Haehnel | 6-4 4-6 6-1 |
| 2000-10-02 | France F20 | QF | hard | Jerome Haehnel | 6-4 6-2 |
Averages over each player's completed matches in the selected window (32 vs 26). 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. About