# 2004 Estoril Open – Women's singles

Magüi Serna was the defending champion, but did not compete this year.
Émilie Loit won the title by defeating Iveta Benešová 7–5, 7–6$^{(7–1)}$ in the final. It was the 2nd title in the year for Loit and the 8th title in her singles career.

## Seeds

* Elena Bovina (second round)
* Alicia Molik (first round)
* Émilie Loit (champion)
* Denisa Chládková (quarterfinals)
* Barbara Schett (quarterfinals)
* Iveta Benešová (final)
* Katarina Srebotnik (second round)
* Marion Bartoli (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 |
| | Marta Marrero | 4 | 4 | | | | |
| 3 | Émilie Loit | 6 | 6 | | | | |
| 3 | Émilie Loit | 6 | 6 | 3 | Émilie Loit | 7 | 7$^7$ |
| | | | | 6 | Iveta Benešová | 5 | 6$^1$ |
| 6 | Iveta Benešová | 6 | 7 | 6 | Iveta Benešová | 5 | 6$^1$ |
| | Stéphanie Cohen-Aloro | 3 | 5 | | | | |

### 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 | E Bovina | 6 | 6 | | | | | | | | | | | | | | | |
| WC | I Majoli | 4 | 2 | | 1 | E Bovina | 7$^8$ | 4 | 3 | | | | | | | | | |
| | M Marrero | 6 | 6 | | | M Marrero | 6$^6$ | 6 | 6 | | | | | | | | | |
| | V Németh | 1 | 1 | | | | | | | | M Marrero | 6 | 6 | | | | | |
| Q | AL Grönefeld | 6 | 6 | | | | | | | 5 | B Schett | 0 | 2 | | | | | |
| | Ľ Kurhajcová | 1 | 2 | | Q | AL Grönefeld | 5 | 5 | | | | | | | | | | |
| Q | M Ani | 1 | 7$^{10}$ | 4 | 5 | B Schett | 7 | 7 | | | | | | | | | | |
| 5 | B Schett | 6 | 6$^8$ | 6 | | | | | | | | | | | | M Marrero | 4 | 4 |
| 3 | É Loit | 6 | 6 | | | | | | | | | | | | 3 | É Loit | 6 | 6 |
| | E Callens | 2 | 2 | | 3 | É Loit | 6 | 6 | | | | | | | | | | |
| | Ľ Cervanová | 3 | 6 | 6 | | Ľ Cervanová | 2 | 0 | | | | | | | | | | |
| | E Gagliardi | 6 | 2 | 4 | | | | | | 3 | É Loit | 6 | 2 | 6 | | | | |
| | T Garbin | 7 | 2 | 3 | | | | | | | K Koukalová | 3 | 6 | 4 | | | | |
| | K Koukalová | 5 | 6 | 6 | | K Koukalová | 6 | 6 | | | | | | | | | | |
| | R Grande | 7$^7$ | 3 | 5 | 7 | K Srebotnik | 3 | 4 | | | | | | | | | | |
| 7 | K Srebotnik | 6$^4$ | 6 | 7 | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | I Benešová | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| Q | N Gussoni | 6$^4$ | 3 | | 6 | I Benešová | 1 | 6 | 6 | | | | | | | | | |
| | F Pennetta | 6 | 6 | | | F Pennetta | 6 | 3 | 4 | | | | | | | | | |
| | Å Svensson | 1 | 3 | | | | | | | 6 | I Benešová | 6 | 6 | | | | | |
| WC | N Silva | 3 | 7$^7$ | 7$^{10}$ | | | | | | 4 | D Chládková | 2 | 2 | | | | | |
| Q | J Schruff | 6 | 6$^5$ | 6$^8$ | WC | N Silva | 2 | 1 | | | | | | | | | | |
| | Y Beygelzimer | 3 | 2 | | 4 | D Chládková | 6 | 6 | | | | | | | | | | |
| 4 | D Chládková | 6 | 6 | | | | | | | | | | | | 6 | I Benešová | 6 | 7 |
| 8 | M Bartoli | 3 | 3 | | | | | | | | | | | | | S Cohen-Aloro | 3 | 5 |
| | ME Camerin | 6 | 6 | | | ME Camerin | 2 | 4 | | | | | | | | | | |
| | M Suchá | 6 | 6 | | | M Suchá | 6 | 6 | | | | | | | | | | |
| | Z Ondrášková | 1 | 2 | | | | | | | | M Suchá | 6 | 4 | 4 | | | | |
| | S Kleinová | 2 | 7$^7$ | 0 | | | | | | | S Cohen-Aloro | 3 | 6 | 6 | | | | |
| | S Cohen-Aloro | 6 | 6$^4$ | 6 | | S Cohen-Aloro | 7 | 7 | | | | | | | | | | |
| | H Nagyová | 3 | 6 | 7$^7$ | | H Nagyová | 5 | 5 | | | | | | | | | | |
| 2 | A Molik | 6 | 3 | 6$^3$ | | | | | | | | | | | | | | |