The 2011 MasterCard Tennis Cup was a professional tennis tournament played on hard courts. It was the eleventh edition of the tournament which was part of the 2011 ATP Challenger Tour and the tenth edition for the 2011 ITF Women's Circuit. It took place in Campos do Jordão, Brazil between 25 and 31 July for women and 1 and 7 August 2011 for men.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Brazil | Ricardo Mello | 91 | 1 | |
 Argentina | Horacio Zeballos | 108 | 2 | |
| Izak van der Merwe | 115 | 3 | ||
| Paul Capdeville | 117 | 4 | ||
| Brazil | Rogério Dutra da Silva | 129 | 5 | |
| Argentina | Brian Dabul | 163 | 6 | |
| Brazil | Júlio Silva | 175 | 7 | |
 Colombia | Carlos Salamanca | 180 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Cristián Benedetti Fabiano de Paula Tiago Lopes Thales Turini| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Brazil | Ana Clara Duarte | 227 | 1 | |
| Brazil | Roxane Vaisemberg | 283 | 2 | |
| Verónica Cepede Royg | 304 | 3 | ||
| Brazil | Teliana Pereira | 292 | 4 | |
| Argentina | Mailen Auroux | 320 | 5 | |
| Brazil | Vivian Segnini | 325 | 6 | |
| Andrea Koch Benvenuto | 352 | 7 | ||
| Argentina | Andrea Benítez | 355 | 8 |
The following players received wildcards into the singles main draw:
Maria Danzini Paula Cristina Gonçalves Beatriz Haddad Maia Eduarda PiaiThe following players received entry from the qualifying draw:
Gabriela Cé Priscila Garcia
Patricia Kú Flores Belen Luduena Laura Pigossi
Kyra Shroff Karina SouzaSee main article: 2011 MasterCard Tennis Cup – Men's singles. Rogério Dutra da Silva def. Izak van der Merwe, 6–4, 6–7(7–5), 6–3
See main article: 2011 MasterCard Tennis Cup – Women's singles. Verónica Cepede Royg def. 
Adriana Pérez, 7 - 6(7 - 4), 7 - 5
See main article: 2011 MasterCard Tennis Cup – Men's doubles. Juan Sebastián Cabal / Robert Farah def. Ricardo Hocevar / Júlio Silva, 6–2, 6–3
See main article: 2011 MasterCard Tennis Cup – Women's doubles. Fernanda Hermenegildo / Teliana Pereira def. Maria Fernanda Alves / Roxane Vaisemberg, 3 - 6, 7 - 6(7 - 5), [11–9]