Joan Jimenez Guerra defeated Victor Romero 7-6 6-3 in the Mexico F6 round of 16 on hard. The upset overturned the form book — Victor Romero came in leading the head-to-head 1–0. Joan Jimenez Guerra claimed a first win over Victor Romero in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-08 | Spain 5 Masters 1 | R32 | clay | Victor Romero | 6-4 1-6 6-2 |