Guillaume Marx defeated Olivier Morel 6-4 6-2 in the France 2 Masters 4 qualifying round on clay. The upset overturned the form book — Olivier Morel came in leading the head-to-head 1–0, but Guillaume Marx had been the form player, winning 4 of their last 7 on clay. Guillaume Marx claimed a first win over Olivier Morel in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-19 | France F11 | R32 | hard | Olivier Morel | 6-3 3-6 7-5 |