2013 Aberto de São Paulo – Singles

Thiago Alves is the defending champion but lost in the quarterfinals to Gastão Elias. Horacio Zeballos defeated Rogério Dutra da Silva 7–6(7–5), 6–2 in the final to win the title.

Seeds
• # 🇦🇷 Horacio Zeballos (champion)

• # 🇦🇷 Martín Alund (quarterfinals)

• # 🇧🇷 Rogério Dutra da Silva (final)

• # 🇧🇷 Thiago Alves (quarterfinals)

• # 🇦🇷 Federico Delbonis (second round)

• # Gastão Elias (semifinals)

• # 🇧🇷 João Souza (semifinals)

• # 🇦🇷 Guido Andreozzi (quarterfinals)