Guillaume Marx defeated Jean Baptiste Perlant 7-5 6-4 in the France 4 Masters 2 semi-final on clay. The upset overturned the form book — Jean Baptiste Perlant came in leading the head-to-head 3–0, but Guillaume Marx had been the form player, winning 3 of their last 6 on clay. Guillaume Marx claimed a first win over Jean Baptiste Perlant in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-04-10 | Italy 2 1 | QF | clay | Jean Baptiste Perlant | 6-3 6-1 |
| 1997-01-04 | France 1 Masters 2 | R32 | clay | Jean Baptiste Perlant | 6-3 7-6 |
| 1996-09-07 | France 5 Masters 4 | QF | hard | Jean Baptiste Perlant | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.