2011 Cachantún Cup – Singles

Máximo González was the defending champion from the last edition of the tournament in 2009. He reached the final, where he defeated Éric Prodon 7–5, 0–6, 6–2.

Seeds
• # 🇦🇷 Horacio Zeballos (semifinals)

• # 🇦🇷 Máximo González (champion)

• # 🇧🇷 João Souza (second round)

• # 🇫🇷 Éric Prodon (final)

• # 🇦🇷 Diego Junqueira (quarterfinals, retired)

• # Paul Capdeville (quarterfinals)

• # 🇧🇷 Rogério Dutra da Silva (quarterfinals)

• # Franko Škugor (quarterfinals)