Philipp Marx defeated Josselin Ouanna 7-5 6-3 in the France F13 round of 32 on clay. The upset overturned the form book — Josselin Ouanna came in leading the head-to-head 1–0. Philipp Marx claimed a first win over Josselin Ouanna in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-12 | France F13 | QF | hard | Josselin Ouanna | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.