Pier Gauthier defeated Olivier Soules 6-3 6-3 in the Toulouse round of 32 on hard. The upset overturned the form book — Olivier Soules came in leading the head-to-head 1–0. Pier Gauthier claimed a first win over Olivier Soules in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-07-22 | France 2 Masters 4 | QF | clay | Olivier Soules | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.