The 2011 Tetra Pak Tennis Cup was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Campinas, Brazil between 19 and 25 September 2011.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Argentina | Máximo González | 110 | 1 | |
 Brazil | Rogério Dutra da Silva | 113 | 3 | |
| Brazil | Ricardo Mello | 120 | 2 | |
| Denis Gremelmayr | 162 | 4 | ||
| Brazil | Júlio Silva | 184 | 5 | |
| Brazil | Ricardo Hocevar | 265 | 6 | |
| Gastão Elias | 268 | 7 | ||
| Argentina | Pablo Galdón | 276 | 8 |
The following players received wildcards into the singles main draw:
Marcelo Demoliner Stefano Soares João Pedro Sorgi Francisco ZambonThe following players received entry from the qualifying draw:
Fabiano de Paula Joaquín-Jesús Monteferrario
Laurent RecoudercSee main article: 2011 Tetra Pak Tennis Cup – Singles. Máximo González def. Caio Zampieri, 6–3, 6–2
See main article: 2011 Tetra Pak Tennis Cup – Doubles. Marcel Felder / Caio Zampieri def. Fabricio Neis / João Pedro Sorgi, 7–5, 6–4