| Date: | 16–22 September |
| Edition: | 3rd |
| Surface: | Clay |
| Location: | Campinas, Brazil |
| Champs: |  Guilherme Clezar |
| Champd: |  Guido Andreozzi / Máximo González |
The 2013 Tetra Pak Tennis Cup was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Campinas, Brazil between 16 and 22 September 2013.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Argentina | Guido Pella | 98 | 1 | |
| Argentina | Martín Alund | 111 | 2 | |
| Wayne Odesnik | 122 | 3 | ||
| Gastão Elias | 131 | 4 | ||
| Paul Capdeville | 151 | 5 | ||
| Argentina | Guido Andreozzi | 169 | 6 | |
| Argentina | Agustín Velotti | 171 | 7 | |
| Argentina | Máximo González | 185 | 8 |
The following players received wildcards into the singles main draw:
Rogério Dutra da Silva Fernando Romboli Ghilherme Scarpelli Caio ZampieriThe following players received entry from the qualifying draw:
Mitchell Krueger
Sergio Galdós Guillermo Durán Tiago LopesSee main article: 2013 Tetra Pak Tennis Cup – Singles.
Guilherme Clezar def. Facundo Bagnis 6–4, 6–4See main article: 2013 Tetra Pak Tennis Cup – Doubles.
Guido Andreozzi / Máximo González def. Thiago Alves / Thiago Monteiro 6–4, 6–4