Alberto Banus Sado defeated Mario Munoz Bejarano 5-7 7-6 6-3 in the Spain 8 Masters 4 round of 32 on clay. The upset overturned the form book — Mario Munoz Bejarano came in leading the head-to-head 1–0. Alberto Banus Sado claimed a first win over Mario Munoz Bejarano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-08-13 | Spain F6 | R16 | clay | Mario Munoz Bejarano | 6-0 6-2 |