| Main Name: | Portugal OpenEstoril Open |
| Champ: |  Yanina Wickmayer |
| Score: | 7–5, 6–2 |
| Before Name: | Estoril Open – Women's singles |
| After Name: | Estoril Open – Women's singles |
See main article: 2009 Estoril Open.
Maria Kirilenko was the defending champion, but lost in the quarterfinals to Ekaterina Makarova.
Yanina Wickmayer defeated Ekaterina Makarova in the final, 7–5, 6–2. It was Wickmayer's first career title.