Joan Jimenez Guerra defeated Ezequiel Velez 6-4 7-6 in the Spain 6 Masters 3 round of 32 on clay. The upset overturned the form book — Ezequiel Velez came in leading the head-to-head 1–0. Joan Jimenez Guerra claimed a first win over Ezequiel Velez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-08 | Spain 5 Masters 2 | QF | clay | Ezequiel Velez | 4-6 7-6 6-2 |