2012 Quito Challenger – Singles

Sebastián Decoud was the defending champion, but lost in the second round. João Souza won the title, defeating Guillaume Rufin 6–2, 7–6(7–4) in the final.

Seeds
• # Frederico Gil (first round)

• # 🇫🇷 Guillaume Rufin (final)

• # 🇦🇷 Martín Alund (semifinals)

• # 🇧🇷 João Souza (champion)

• # 🇦🇷 Eduardo Schwank (quarterfinals)

• # 🇩🇴 Víctor Estrella (quarterfinals, retired because of a right elbow injury)

• # 🇨🇴 Carlos Salamanca (first round)

• # 🇪🇨 Júlio César Campozano (second round)