Thierry Guardiola defeated Rodolphe Gilbert 4-6 7-6 6-3 in the Marseille q16 on hard. The upset overturned the form book — Rodolphe Gilbert came in leading the head-to-head 2–0. Thierry Guardiola claimed a first win over Rodolphe Gilbert in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-09-21 | France F7 | SF | hard | Rodolphe Gilbert | 6-2 7-6 |
| 1992-05-25 | Roland Garros | R64 | clay | Rodolphe Gilbert | 6-1 7-6(2) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.