2012 Copa San Juan Gobierno – Singles

Thiemo de Bakker won the final 6–2, 3–6, 6–2 against Martín Alund.

Seeds
• # 🇦🇷 Leonardo Mayer (first round)

• # João Sousa (first round)

• # 🇦🇷 Guido Pella (second round)

• # 🇦🇷 Horacio Zeballos (first round)

• # 🇫🇷 Guillaume Rufin (semifinals)

• # 🇧🇷 Rogério Dutra da Silva (quarterfinals)

• # Frederico Gil (first round)

• # 🇦🇷 Martín Alund (final)