Arnaud Fontaine defeated Valentin Sanon 6-4 6-3 in the Cuba Mexico Masters 3 semi-final on hard. The upset overturned the form book — Valentin Sanon came in leading the head-to-head 1–0. Arnaud Fontaine claimed a first win over Valentin Sanon in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-02-07 | Cuba Mexico Masters 4 | R16 | hard | Valentin Sanon | 6-4 1-6 6-4 |