| Main Name: | Portugal OpenEstoril Open |
| Champ: |  Juan Carlos Ferrero |
| Runner: | Félix Mantilla |
| Score: | 7–6(7–3), 4–6, 6–3 |
| Draw: | 32 |
| Seeds: | 8 |
| Before Name: | Estoril Open |
| After Name: | Estoril Open |
This tournament took place between April 9 and 15, 2001.
Carlos Moyá was the defending champion but did not compete that year.
Juan Carlos Ferrero won in the final 7–6(7–3), 4–6, 6–3 against Félix Mantilla.