2011 Copa Claro – Singles

Juan Carlos Ferrero was the defending champion but decided not to participate due to knee and wrist injuries.

Nicolás Almagro won his second title of the year, defeating Juan Ignacio Chela 6–3, 3–6, 6–4 in the final.

Seeds
• # 🇪🇸 Nicolás Almagro (champion)

• # Stanislas Wawrinka (semifinals)

• # 🇦🇷 David Nalbandian (quarterfinals)

• # 🇪🇸 Albert Montañés (quarterfinals)

• # 🇦🇷 Juan Mónaco (quarterfinals)

• # 🇪🇸 Tommy Robredo (semifinals)

• # 🇺🇦 Alexandr Dolgopolov (first round)

• # 🇦🇷 Juan Ignacio Chela (final)