2012 Brasil Open – Singles

Nicolás Almagro defended his title by defeating Filippo Volandri 6–3, 4–6, 6–4 in the final.

Seeds
• # 🇪🇸 Nicolás Almagro (champion)

• # 🇫🇷 Gilles Simon (second round)

• # 🇪🇸 Fernando Verdasco (quarterfinals)

• # 🇧🇷 Thomaz Bellucci (semifinals)

• # 🇦🇷 Carlos Berlocq (quarterfinals)

• # 🇪🇸 Juan Carlos Ferrero (first round)

• # 🇪🇸 Albert Montañés (first round)

• # 🇪🇸 Albert Ramos (semifinals)

Seeds
• # 🇫🇷 Jérémy Chardy (qualified)

• # 🇪🇸 Daniel Gimeno Traver (second round)

• # 🇧🇷 Rogério Dutra da Silva (first round)

• # 🇦🇷 Diego Junqueira (second round)

• # 🇦🇷 Horacio Zeballos (second round, retired due to a left elbow injury)

• # 🇷🇺 Igor Andreev (qualified)

• # 🇦🇷 Máximo González (qualifying competition)

• # 🇪🇸 Rubén Ramírez Hidalgo (qualified)

Qualifiers
• # 🇫🇷 Jérémy Chardy

• # Paul Capdeville

• # 🇷🇺 Igor Andreev

• # 🇪🇸 Rubén Ramírez Hidalgo