# 2009 Abierto Mexicano Telcel – Women's singles

Flavia Pennetta was the defending champion, but lost in the final to Venus Williams, 6–1, 6–2.

## Seeds

* Venus Williams (champion)
* Flavia Pennetta (final)
* Carla Suárez Navarro (second round)
* Iveta Benešová (semifinals)
* Gisela Dulko (second round)
* Lucie Šafářová (first round)
* Tathiana Garbin (second round, retired due to abdominal strain)
* María José Martínez Sánchez (second 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 |
| 1 | Venus Williams | 6 | 6 | | | | |
| | Barbora Záhlavová-Strýcová | 0 | 3 | | | | |
| | Barbora Záhlavová-Strýcová | 0 | 3 | 1 | Venus Williams | 6 | 6 |
| | | | | 2 | Flavia Pennetta | 1 | 2 |
| 4 | Iveta Benešová | 3 | 3 | 2 | Flavia Pennetta | 1 | 2 |
| 2 | Flavia Pennetta | 6 | 6 | | | | |

### 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 | V Williams | 6 | 4 | 6 | | | | | | | | | | | | | | |
| | N Llagostera Vives | 4 | 6 | 2 | 1 | V Williams | 6 | 6$^3$ | 6 | | | | | | | | | |
| Q | G Arn | 6 | 6 | | Q | G Arn | 3 | 7 | 4 | | | | | | | | | |
| | E Gallovits | 2 | 3 | | | | | | | 1 | V Williams | 6 | 5 | 6 | | | | |
| LL | Á Szávay | 7 | 7 | | | | | | | LL | Á Szávay | 2 | 7 | 1 | | | | |
| WC | A Orlik | 5 | 5 | | LL | Á Szávay | 7 | 6 | | | | | | | | | | |
| | R Vinci | 6 | 6 | | | R Vinci | 6$^1$ | 4 | | | | | | | | | | |
| 6 | L Šafářová | 4 | 4 | | | | | | | | | | | | 1 | V Williams | 6 | 6 |
| 3 | C Suárez Navarro | 7 | 6 | | | | | | | | | | | | | B Záhlavová-Strýcová | 0 | 3 |
| Q | V Kutuzova | 5 | 3 | | 3 | C Suárez Navarro | 4 | 5 | | | | | | | | | | |
| | B Záhlavová-Strýcová | 2 | 6 | 6 | | B Záhlavová-Strýcová | 6 | 7 | | | | | | | | | | |
| | A Klepač | 6 | 1 | 4 | | | | | | | B Záhlavová-Strýcová | 4 | 7 | 6 | | | | |
| | M Ani | 4 | 7 | 6 | | | | | | | M Ani | 6 | 5 | 1 | | | | |
| | P Mayr | 6 | 6$^1$ | 4 | | M Ani | 7 | 6 | | | | | | | | | | |
| Q | IR Olaru | 3 | 2 | | 5 | G Dulko | 6$^6$ | 3 | | | | | | | | | | |
| 5 | G Dulko | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | T Garbin | 7 | 4 | 6 | | | | | | | | | | | | | | |
| | J Craybas | 6$^4$ | 6 | 3 | 7 | T Garbin | | | | | | | | | | | | |
| | R de los Ríos | 4 | 1 | | | M Johansson | w/o | | | | | | | | | | | |
| | M Johansson | 6 | 6 | | | | | | | | M Johansson | 1 | 3 | | | | | |
| WC | É Loit | 6 | 4 | 5 | | | | | | 4 | I Benešová | 6 | 6 | | | | | |
| | K Zakopalová | 4 | 6 | 7 | | K Zakopalová | 6 | 4 | 6$^3$ | | | | | | | | | |
| | O Savchuk | 2 | 0 | | 4 | I Benešová | 4 | 6 | 7 | | | | | | | | | |
| 4 | I Benešová | 6 | 6 | | | | | | | | | | | | 4 | I Benešová | 3 | 3 |
| 8 | MJ Martínez Sánchez | 6 | 6 | | | | | | | | | | | | 2 | F Pennetta | 6 | 6 |
| Q | A Parra Santonja | 2 | 3 | | 8 | MJ Martínez Sánchez | 6 | 4 | 1 | | | | | | | | | |
| | P Cetkovská | 6 | 6 | | | P Cetkovská | 3 | 6 | 6 | | | | | | | | | |
| | L Domínguez Lino | 2 | 2 | | | | | | | | P Cetkovská | 6 | 3 | 0 | | | | |
| | P Parmentier | 6 | 6 | | | | | | | 2 | F Pennetta | 2 | 6 | 6 | | | | |
| WC | M Torres Sandoval | 2 | 3 | | | P Parmentier | 1 | 3 | | | | | | | | | | |
| | M Koryttseva | 3 | 1 | | 2 | F Pennetta | 6 | 6 | | | | | | | | | | |
| 2 | F Pennetta | 6 | 6 | | | | | | | | | | | | | | | |