# 2005 Estoril Open – Women's singles

Émilie Loit was the defending champion, but did not compete this year.
Lucie Šafářová won the title by defeating Li Na 6–7$^{(4–7)}$, 6–4, 6–3 in the final.

## Seeds

* Flavia Pennetta (first round)
* Dinara Safina (semifinals)
* Gisela Dulko (semifinals)
* Li Na (final)
* Anabel Medina Garrigues (withdrew due to a right knee tendonitis)
* Dally Randriantefy (quarterfinals)
* Nuria Llagostera Vives (withdrew due to an upper right leg injury)
* Virginia Ruano Pascual (first round)
* Zheng Jie (quarterfinals)
* Arantxa Parra Santonja (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| Q | Lucie Šafářová | 7$^7$ | 6 | | | | | |
| 3 | Gisela Dulko | 6$^3$ | 0 | | | | | |
| 3 | Gisela Dulko | 6$^3$ | 0 | Q | Lucie Šafářová | 6$^4$ | 6 | 6 |
| | | | | 4 | Li Na | 7$^7$ | 4 | 3 |
| 4 | Li Na | 6 | 6 | 4 | Li Na | 7$^7$ | 4 | 3 |
| 2 | Dinara Safina | 1 | 1 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | F Pennetta | 3 | 6$^8$ | | | | | | | | | | | | | | | |
| Q | O Savchuk | 6 | 7$^{10}$ | | Q | O Savchuk | 2 | 3 | | | | | | | | | | |
| | M Díaz Oliva | 6 | 6 | | | M Díaz Oliva | 6 | 6 | | | | | | | | | | |
| WC | M Gloria | 1 | 1 | | | | | | | | M Díaz Oliva | 2 | 6 | 1 | | | | |
| | M Krajicek | 3 | 6 | 6 | | | | | | Q | L Šafářová | 6 | 4 | 6 | | | | |
| | S Beltrame | 6 | 4 | 3 | | M Krajicek | 6 | 6$^6$ | 5 | | | | | | | | | |
| Q | L Šafářová | 7 | 6$^3$ | 6 | Q | L Šafářová | 3 | 7$^8$ | 7 | | | | | | | | | |
| 8 | V Ruano Pascual | 5 | 7$^7$ | 0 | | | | | | | | | | | Q | L Šafářová | 7$^7$ | 6 |
| 3 | G Dulko | 7$^7$ | 6 | | | | | | | | | | | | 3 | G Dulko | 6$^3$ | 0 |
| | S Foretz | 6$^2$ | 2 | | 3 | G Dulko | 6 | 6 | | | | | | | | | | |
| | A Bondarenko | 6 | 3 | 6 | | A Bondarenko | 2 | 3 | | | | | | | | | | |
| | J Dokic | 2 | 6 | 2 | | | | | | 3 | G Dulko | 6 | 6 | | | | | |
| | M Marrero | 4 | 4 | | | | | | | 9 | J Zheng | 2 | 1 | | | | | |
| Q | M Müller | 6 | 6 | | Q | M Müller | 3 | 4 | | | | | | | | | | |
| Q | H Nagyová | 6 | 2 | 4 | 9 | J Zheng | 6 | 6 | | | | | | | | | | |
| 9 | J Zheng | 3 | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | D Randriantefy | 6 | 6 | | | | | | | | | | | | | | |
| WC | N Silva | 2 | 2 | | 6 | D Randriantefy | 4 | 6 | 6 | | | | | | | | |
| | M Sánchez Lorenzo | 0 | 7 | 6 | | M Sánchez Lorenzo | 6 | 0 | 2 | | | | | | | | |
| | L Osterloh | 6 | 5 | 1 | | | | | | 6 | D Randriantefy | 3 | 1 | | | | |
| | N Pratt | 2 | 6 | 6 | | | | | | 4 | N Li | 6 | 6 | | | | |
| | An Serra Zanetti | 6 | 1 | 1 | | N Pratt | 5 | 1 | | | | | | | | | |
| | S Cohen-Aloro | 4 | 6 | 3 | 4 | N Li | 7 | 6 | | | | | | | | | |
| 4 | N Li | 6 | 1 | 6 | | | | | | | | | | 4 | N Li | 6 | 6 |
| 10 | A Parra Santonja | 4 | 0 | | | | | | | | | | | 2 | D Safina | 1 | 1 |
| | Ľ Cervanová | 6 | 6 | | | Ľ Cervanová | 4 | 1 | | | | | | | | | |
| LL | M Mihalache | 3 | 1 | | | J Craybas | 6 | 6 | | | | | | | | | |
| | J Craybas | 6 | 6 | | | | | | | | J Craybas | 4 | 2 | | | | |
| LL | M Czink | 5 | 3 | | | | | | | 2 | D Safina | 6 | 6 | | | | |
| LL | K Bondarenko | 7 | 6 | | LL | K Bondarenko | 2 | 2 | | | | | | | | | |
| | C Schaul | 2 | 1 | | 2 | D Safina | 6 | 6 | | | | | | | | | |
| 2 | D Safina | 6 | 6 | | | | | | | | | | | | | | |