# 2011 MasterCard Tennis Cup – Women's singles

Aranza Salut was the defending champion, but chose not to participate.
Verónica Cepede Royg won the title, defeating Adriana Pérez 7–6$^{(7–4)}$, 7–5 in the final.

## Seeds

* Ana-Clara Duarte (quarterfinals)
* Roxane Vaisemberg (quarterfinals)
* Verónica Cepede Royg (champion)
* Teliana Pereira (first round)
* Mailen Auroux (first round)
* Vivian Segnini (semifinals)
* Andrea Koch Benvenuto (quarterfinals)
* Andrea Benítez (quarterfinals)

## Main 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 |
| 6 | Vivian Segnini | 3 | 4 | | | | | |
| | Adriana Pérez | 6 | 6 | | | | | |
| | Adriana Pérez | 6 | 6 | | | Adriana Pérez | 6$^4$ | 5 |
| | | | | | 3 | Verónica Cepede Royg | 7$^7$ | 7 |
| 3 | Verónica Cepede Royg | 6 | 5 | 6 | 3 | Verónica Cepede Royg | 7$^7$ | 7 |
| | Andrea Gámiz | 0 | 7 | 2 | | | | |

### 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 | A-C Duarte | 6 | 6 | | | | | | | | | | | | | | | |
| WC | M Danzini | 4 | 1 | | 1 | A-C Duarte | 6 | 7$^7$ | | | | | | | | | | |
| | L Rafful | 1 | 1 | | | I Robbiani | 1 | 6$^1$ | | | | | | | | | | |
| | I Robbiani | 6 | 6 | | | | | | | 1 | A-C Duarte | 6 | 5 | 2 | | | | |
| | N Rossi | 6 | 1 | 2 | | | | | | 6 | V Segnini | 3 | 7 | 6 | | | | |
| | C Zeballos | 4 | 6 | 6 | | C Zeballos | 7$^7$ | 1 | 3 | | | | | | | | | |
| Q | G Cé | 5 | 2 | | 6 | V Segnini | 6$^3$ | 6 | 6 | | | | | | | | | |
| 6 | V Segnini | 7 | 6 | | | | | | | | | | | | 6 | V Segnini | 3 | 4 |
| 4 | T Pereira | 1 | 3 | | | | | | | | | | | | | A Pérez | 6 | 6 |
| | A Pérez | 6 | 6 | | | A Pérez | 6 | 6 | | | | | | | | | | |
| | M Albuquerque | 6 | 6 | | | M Albuquerque | 4 | 0 | | | | | | | | | | |
| Q | K Shroff | 2 | 2 | | | | | | | | A Pérez | 6 | 3 | 7 | | | | |
| Q | P Kú Flores | 6 | 6 | | | | | | | 8 | A Benítez | 3 | 6 | 5 | | | | |
| Q | B Luduena | 1 | 1 | | Q | P Kú Flores | 2 | 3 | | | | | | | | | | |
| | MF Alves | 3 | 4 | | 8 | A Benítez | 6 | 6 | | | | | | | | | | |
| 8 | A Benítez | 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 | Semifinals |
| 7 | A Koch Benvenuto | 6 | 6 | | | | | | | | | | | | | | | |
| | C Forte | 3 | 2 | | 7 | A Koch Benvenuto | 6 | 6 | | | | | | | | | | |
| WC | B Haddad Maia | 2 | 3 | | | K Castiblanco | 1 | 2 | | | | | | | | | | |
| | K Castiblanco | 6 | 6 | | | | | | 7 | A Koch Benvenuto | 6 | 4 | 4 | | | | | |
| WC | PC Gonçalves | 6 | 6 | | | | | | 3 | V Cepede Royg | 4 | 6 | 6 | | | | | |
| | F Hermenegildo | 3 | 1 | | WC | PC Gonçalves | 2 | 3 | | | | | | | | | | |
| Q | L Pigossi | 2 | 2 | | 3 | V Cepede Royg | 6 | 6 | | | | | | | | | | |
| 3 | V Cepede Royg | 6 | 6 | | | | | | | | | | | 3 | V Cepede Royg | 6 | 5 | 6 |
| 5 | M Auroux | 6 | 1 | 6$^4$ | | | | | | | | | | | A Gámiz | 0 | 7 | 2 |
| | A Gámiz | 1 | 6 | 7$^7$ | | A Gámiz | 6 | 6 | | | | | | | | | | |
| Q | N Fourouclas | 6 | 6 | | | N Fourouclas | 3 | 4 | | | | | | | | | | |
| Q | K Souza | 3 | 1 | | | | | | | A Gámiz | 6 | 6 | | | | | | |
| | N Kurata | 6 | 6 | | | | | | 2 | R Vaisemberg | 2 | 3 | | | | | | |
| Q | P Garcia | 2 | 3 | | | N Kurata | 2 | 0 | | | | | | | | | | |
| WC | E Piai | 3 | 1 | | 2 | R Vaisemberg | 6 | 6 | | | | | | | | | | |
| 2 | R Vaisemberg | 6 | 6 | | | | | | | | | | | | | | | |