Nicolas Guillaume defeated Rodrigo Ferreiro 7-5 6-2 in the France 4 Masters 4 round of 32 on clay. The upset overturned the form book — Rodrigo Ferreiro came in leading the head-to-head 1–0. Nicolas Guillaume claimed a first win over Rodrigo Ferreiro in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-07-28 | France 4 Masters 1 | R16 | clay | Rodrigo Ferreiro | 6-4 2-6 7-6 |