Juan Antonio Saiz Panadero defeated Emilio Viuda Hernandez 7-6 6-1 in the Spain 5 Masters 1 round of 32 on hard. The upset overturned the form book — Emilio Viuda Hernandez came in leading the head-to-head 2–0. Juan Antonio Saiz Panadero claimed a first win over Emilio Viuda Hernandez in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-06-05 | Spain 6 Masters 3 | R16 | clay | Emilio Viuda Hernandez | 6-2 6-0 |
| 1998-01-03 | Spain 1 Masters 1 | R16 | clay | Emilio Viuda Hernandez | 6-3 6-7 7-6 |