Jerome Hanquez defeated Guillaume Marx 6-3 6-4 in the France 2 Masters 4 semi-final on clay. The upset overturned the form book — Guillaume Marx came in leading the head-to-head 1–0. Jerome Hanquez claimed a first win over Guillaume Marx in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-07-22 | France 2 Masters 3 | R32 | clay | Guillaume Marx | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.