# 2012 Monterrey Open – Singles

Anastasia Pavlyuchenkova is the defending champion, but decided to participate at the Dubai Tennis Championships instead.
Tímea Babos won her first WTA title after defeating Alexandra Cadanțu 6–4, 6–4 in the final.

## Seeds

* Roberta Vinci (second round)
* Sara Errani (semifinals)
* Sorana Cîrstea (second round)
* Alexandra Dulgheru (first round)
* Gisela Dulko (first round)
* Gréta Arn (semifinals)
* Mathilde Johansson (first round)
* Lourdes Domínguez Lino (quarterfinals)

## 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 |
| 6 | Gréta Arn | 2 | 6 | 5 | | | |
| | Alexandra Cadanțu | 6 | 4 | 7 | | | |
| | Alexandra Cadanțu | 6 | 4 | 7 | Alexandra Cadanțu | 4 | 4 |
| | | | | | Tímea Babos | 6 | 6 |
| | Tímea Babos | 6 | 6$^3$ | 6 | Tímea Babos | 6 | 6 |
| 2 | Sara Errani | 4 | 7$^7$ | 4 | | | |

### 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 | R Vinci | 7 | 7 | | | | | | | | | | | | | | |
| | C Vandeweghe | 5 | 5 | | 1 | R Vinci | 5 | 5 | | | | | | | | | |
| | N Bratchikova | 6 | 6 | | | N Bratchikova | 7 | 7 | | | | | | | | | |
| | A Pivovarova | 3 | 1 | | | | | | | N Bratchikova | 1 | 6$^6$ | | | | | |
| | A Panova | 5 | 4 | | | | | | 6 | G Arn | 6 | 7$^8$ | | | | | |
| Q | M Abramović | 7 | 6 | | Q | M Abramović | 4 | 2 | | | | | | | | | |
| | S Zhang | 1 | 4 | | 6 | G Arn | 6 | 6 | | | | | | | | | |
| 6 | G Arn | 6 | 6 | | | | | | | | | | 6 | G Arn | 2 | 6 | 5 |
| 4 | A Dulgheru | 3 | 4 | | | | | | | | | | | A Cadanțu | 6 | 4 | 7 |
| | S Soler Espinosa | 6 | 6 | | | S Soler Espinosa | 6$^7$ | 3 | | | | | | | | | |
| | A Cadanțu | 3 | 6 | 7 | | A Cadanțu | 7$^9$ | 6 | | | | | | | | | |
| | J Dokić | 6 | 1 | 5 | | | | | | A Cadanțu | 6 | 6 | | | | | |
| | V Savinykh | 6 | 6 | | | | | | 8 | L Domínguez Lino | 2 | 0 | | | | | |
| | K Date-Krumm | 2 | 3 | | | V Savinykh | 4 | 2 | | | | | | | | | |
| Q | Monica Puig | 3 | 3 | | 8 | L Domínguez Lino | 6 | 6 | | | | | | | | | |
| 8 | L Domínguez Lino | 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 | Semifinals |
| 5 | G Dulko | 4 | 6$^2$ | | | | | | | | | | | | | | | |
| | P Mayr-Achleitner | 6 | 7$^7$ | | | P Mayr-Achleitner | 6 | 6 | | | | | | | | | | |
| Q | K Marosi | 6$^3$ | 4 | | | E Birnerová | 1 | 3 | | | | | | | | | | |
| | E Birnerová | 7$^7$ | 6 | | | | | | | | P Mayr-Achleitner | 4 | 2 | | | | | |
| WC | X Hermoso | 2 | 3 | | | | | | | | T Babos | 6 | 6 | | | | | |
| | T Babos | 6 | 6 | | | T Babos | 4 | 6 | 6 | | | | | | | | | |
| | S Vögele | 3 | 6 | 5 | 3/WC | S Cîrstea | 6 | 4 | 2 | | | | | | | | | |
| 3/WC | S Cîrstea | 6 | 2 | 7 | | | | | | | | | | | T Babos | 6 | 6$^3$ | 6 |
| 7 | M Johansson | 1 | 7 | 6$^5$ | | | | | | | | | | 2 | S Errani | 4 | 7$^7$ | 4 |
| | M Minella | 6 | 5 | 7$^7$ | | M Minella | 6 | 6$^1$ | 6 | | | | | | | | | |
| WC | Y Shvedova | 6 | 4 | 6 | WC | Y Shvedova | 3 | 7$^7$ | 4 | | | | | | | | | |
| Q | S Karatantcheva | 1 | 6 | 3 | | | | | | | M Minella | 1 | 2 | | | | | |
| | A Cornet | 6 | 7$^7$ | | | | | | | 2 | S Errani | 6 | 6 | | | | | |
| | T Luzhanska | 4 | 6$^3$ | | | A Cornet | 2 | 3 | | | | | | | | | | |
| | S Dubois | 2 | 2 | | 2 | S Errani | 6 | 6 | | | | | | | | | | |
| 2 | S Errani | 6 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Sesil Karatantcheva (qualified)
* Estrella Cabeza Candela (second round)
* Petra Rampre (first round)
* Florencia Molinero (first round)
* Monica Puig (qualified)
* Mariana Duque-Mariño (first round)
* Sharon Fichman (second round)
* Mariya Koryttseva (first round)

### Qualifiers

* Sesil Karatantcheva
* Maria Abramović
* Katalin Marosi
* Monica Puig

### Draw
#### First qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Sesil Karatantcheva | 6 | 6 | | | | | | | | | |
| WC | Ivette López | 1 | 1 | | | | | | | | | |
| WC | Ivette López | 1 | 1 | 1 | Sesil Karatantcheva | 6 | 2 | 6 | | | | |
| | | | | | Tatjana Malek | 2 | 6 | 3 | | | | |
| | Tatjana Malek | 6 | 6 | | Tatjana Malek | 2 | 6 | 3 | | | | |
| | Garbiñe Muguruza Blanco | 2 | 4 | | | | | | | | | |
| | Garbiñe Muguruza Blanco | 2 | 4 | | | | | | 1 | Sesil Karatantcheva | 6 | 6 |
| | | | | | | | | | | Romana Tabak | 2 | 1 |
| | Aleksandrina Naydenova | 6 | 7 | | | | | | | | | | Romana Tabak | 2 | 1 |
| | Verónica Cepede Royg | 2 | 5 | | | | | | | | | |
| | Verónica Cepede Royg | 2 | 5 | | Aleksandrina Naydenova | 6 | 4 | 4 | | | | |
| | | | | | Romana Tabak | 4 | 6 | 6 | | | | |
| | Romana Tabak | 6 | 6 | | Romana Tabak | 4 | 6 | 6 | | | | |
| 8 | Mariya Koryttseva | 2 | 2 | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Estrella Cabeza Candela | 6$^5$ | 6 | 6 | | | | | | | | |
| | Lenka Wienerová | 7$^7$ | 3 | 2 | | | | | | | | |
| | Lenka Wienerová | 7$^7$ | 3 | 2 | 2 | Estrella Cabeza Candela | 3 | 2 | | | | |
| | | | | | | Maria João Koehler | 6 | 6 | | | | |
| | Maria João Koehler | 6 | 6 | | | Maria João Koehler | 6 | 6 | | | | |
| WC | Camila Fuentes | 3 | 1 | | | | | | | | | |
| WC | Camila Fuentes | 3 | 1 | | | | | | Maria João Koehler | 7 | 3 | 4 |
| | | | | | | | | | Maria Abramović | 5 | 6 | 6 |
| | Darija Jurak | 6 | 6 | | | | | | | | | | Maria Abramović | 5 | 6 | 6 |
| WC | Ana Sofía Sánchez | 3 | 4 | | | | | | | | | |
| WC | Ana Sofía Sánchez | 3 | 4 | | | Darija Jurak | 5 | 0 | | | | |
| | | | | | | Maria Abramović | 7 | 6 | | | | |
| | Maria Abramović | 6 | 6 | | | Maria Abramović | 7 | 6 | | | | |
| 6 | Mariana Duque-Mariño | 2 | 2 | | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Petra Rampre | 6 | 3 | 4 | | | | | | | |
| | Katalin Marosi | 3 | 6 | 6 | | | | | | | |
| | Katalin Marosi | 3 | 6 | 6 | | Katalin Marosi | 6 | 6 | | | |
| | | | | | | Leticia Costas-Moreira | 3 | 1 | | | |
| | Leticia Costas-Moreira | 6 | 6 | | | Leticia Costas-Moreira | 3 | 1 | | | |
| | Catalina Castaño | 4 | 4 | | | | | | | | |
| | Catalina Castaño | 4 | 4 | | | | | | Katalin Marosi | 7$^7$ | 6 |
| | | | | | | | | | Sun Shengnan | 6$^3$ | 4 |
| WC | Marcela Zacarías | 2 | 6$^3$ | | | | | | | | | Sun Shengnan | 6$^3$ | 4 |
| | Sun Shengnan | 6 | 7$^7$ | | | | | | | | |
| | Sun Shengnan | 6 | 7$^7$ | | | Sun Shengnan | 7$^7$ | 6 | | | |
| | | | | | 7 | Sharon Fichman | 6$^2$ | 3 | | | |
| WC | Ana Paula de la Peña | 2 | 0 | | 7 | Sharon Fichman | 6$^2$ | 3 | | | |
| 7 | Sharon Fichman | 6 | 6 | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Florencia Molinero | 1 | 2 | | | | | | | | |
| | Amra Sadiković | 6 | 6 | | | | | | | | |
| | Amra Sadiković | 6 | 6 | | Amra Sadiković | 6 | 6 | | | | |
| | | | | WC | Nadia Abdala | 4 | 2 | | | | |
| | Marina Shamayko | 3 | 6$^6$ | WC | Nadia Abdala | 4 | 2 | | | | |
| WC | Nadia Abdala | 6 | 7$^8$ | | | | | | | | |
| WC | Nadia Abdala | 6 | 7$^8$ | | | | | | Amra Sadiković | 6$^6$ | 2 |
| | | | | | | | | 5 | Monica Puig | 7$^8$ | 6 |
| | Amanda Fink | 5 | 3 | | | | | | | | | 5 | Monica Puig | 7$^8$ | 6 |
| | Inés Ferrer Suárez | 7 | 6 | | | | | | | | |
| | Inés Ferrer Suárez | 7 | 6 | | Inés Ferrer Suárez | 0 | 4 | | | | |
| | | | | 5 | Monica Puig | 6 | 6 | | | | |
| | Andrea Koch Benvenuto | 2 | 2 | 5 | Monica Puig | 6 | 6 | | | | |
| 5 | Monica Puig | 6 | 6 | | | | | | | | |