# 2004 Abierto Mexicano de Tenis Telefonica Movistar – Women's singles

Amanda Coetzer was the defending champion, but lost in second round to Marta Marrero.
Qualifier Iveta Benešová won the title by defeating Flavia Pennetta 7–6$^{(7–5)}$, 6–4 in the final. It was her first singles title of her career.

## Seeds

The first two seeds received a bye into the second round.
* Amanda Coetzer (second round)
* Shinobu Asagoe (second round)
* María Sánchez Lorenzo (semifinals)
* Émilie Loit (quarterfinals)
* Marion Bartoli (second round)
* Emmanuelle Gagliardi (first round)
* Arantxa Parra Santonja (second round)
* Ľudmila Cervanová (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 | Semifinals | Final | Final | Final | Final |
| | Marta Marrero | 1 | 6 | 3 | | | | |
| Q | Iveta Benešová | 6 | 4 | 6 | | | | |
| Q | Iveta Benešová | 6 | 4 | 6 | Q | Iveta Benešová | 7$^7$ | 6 |
| | | | | | | Flavia Pennetta | 6$^5$ | 4 |
| 3 | María Sánchez Lorenzo | 2 | 3 | | | Flavia Pennetta | 6$^5$ | 4 |
| | Flavia Pennetta | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | A Coetzer | 5 | 3 | | | | | | | | | |
| | M Marrero | 6 | 7$^7$ | | | M Marrero | 7 | 6 | | | | | | | | | |
| | G León García | 3 | 6$^3$ | | | | | | | M Marrero | 6 | 6 | | | | | |
| | M Sequera | 1 | 4 | | | | | | Q | S Stosur | 4 | 3 | | | | | |
| Q | S Stosur | 6 | 6 | | Q | S Stosur | 6 | 6 | | | | | | | | | |
| LL | J Schruff | 6 | 6 | | LL | J Schruff | 4 | 2 | | | | | | | | | |
| 6 | E Gagliardi | 2 | 2 | | | | | | | | | | | M Marrero | 1 | 6 | 3 |
| 4 | É Loit | 6$^3$ | 6 | 6 | | | | | | | | | Q | I Benešová | 6 | 4 | 6 |
| WC | A Kremer | 7$^7$ | 4 | 1 | 4 | É Loit | 6 | 6 | | | | | | | | | |
| | T Perebiynis | 4 | 2 | | Q | M Washington | 4 | 4 | | | | | | | | | |
| Q | M Washington | 6 | 6 | | | | | | 4 | É Loit | 6$^4$ | 1 | | | | | |
| Q | A Roesch | 4 | 0 | | | | | | Q | I Benešová | 7$^7$ | 6 | | | | | |
| Q | I Benešová | 6 | 6 | | Q | I Benešová | 6 | 6 | | | | | | | | | |
| | R Grande | 3 | 1 | | 5 | M Bartoli | 3 | 1 | | | | | | | | | |
| 5 | M Bartoli | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | Ľ Cervanová | 3 | 7$^8$ | 2 | | | | | | | | | | | | | |
| | T Garbin | 6 | 6$^6$ | 6 | | T Garbin | 3 | 6$^2$ | | | | | | | | | |
| | J Vakulenko | 6 | 6 | | | J Vakulenko | 6 | 7$^7$ | | | | | | | | | |
| WC | J Fernández | 3 | 2 | | | | | | | J Vakulenko | 7$^7$ | 4 | 1 | | | | |
| | M Czink | 5 | 7 | 3 | | | | | 3 | M Sánchez Lorenzo | 6$^5$ | 6 | 6 | | | | |
| PR | M Díaz Oliva | 7 | 5 | 6 | PR | M Díaz Oliva | 3 | 3 | | | | | | | | | |
| | K Koukalová | 5 | 3 | | 3 | M Sánchez Lorenzo | 6 | 6 | | | | | | | | | |
| 3 | M Sánchez Lorenzo | 7 | 6 | | | | | | | | | | | 3 | M Sánchez Lorenzo | 2 | 3 |
| 7 | A Parra Santonja | 6 | 6 | | | | | | | | | | | | F Pennetta | 6 | 6 |
| | A Jidkova | 4 | 4 | | 7 | A Parra Santonja | 4 | 1 | | | | | | | | | |
| | F Pennetta | 4 | 6 | 6 | | F Pennetta | 6 | 6 | | | | | | | | | |
| | S Reeves | 6 | 4 | 3 | | | | | | F Pennetta | 6 | 6 | | | | | |
| | Ľ Kurhajcová | 6$^2$ | 0$^r$ | | | | | | | N Vaidišová | 4 | 3 | | | | | |
| | N Vaidišová | 6$^5$ | 0 | | | N Vaidišová | 6 | 6 | | | | | | | | | |
| | | | | | 2 | S Asagoe | 2 | 3 | | | | | | | | | |