Rodrigo Ferreiro defeated Nicolas Guillaume 6-4 2-6 7-6 in the France 4 Masters 1 round of 16 on clay. The upset overturned the form book — Nicolas Guillaume came in leading the head-to-head 1–0, but Rodrigo Ferreiro had been the form player, winning 5 of their last 7 on clay. Rodrigo Ferreiro claimed a first win over Nicolas Guillaume in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-07-28 | France 4 Masters 4 | R32 | clay | Nicolas Guillaume | 7-5 6-2 |