See main article: 2012 Tetra Pak Tennis Cup. Marcel Felder and Caio Zampieri were the defending champions but they decided not to participate together.
Felder played alongside Máximo González, while Zampieri partnered up with Henrique Meloni.
Marcelo Demoliner and João Souza won the title, defeating Marcel Felder and Máximo González 6–1, 7–5 in the final.