Mario Munoz Bejarano defeated Alberto Banus Sado 6-0 6-2 in the Spain F6 round of 16 on clay. The upset overturned the form book — Alberto Banus Sado came in leading the head-to-head 1–0. Mario Munoz Bejarano claimed a first win over Alberto Banus Sado in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-16 | Spain 8 Masters 4 | R32 | clay | Alberto Banus Sado | 5-7 7-6 6-3 |