2017 São Paulo Challenger de Tênis – Singles

Gonzalo Lama was the defending champion but lost in the first round to João Souza.

Gastão Elias won the title after defeating Renzo Olivo 3–6, 6–3, 6–4 in the final.

Seeds
• # 🇦🇷 Federico Delbonis (first round)

• # Pedro Sousa (withdrew)

• # 🇦🇷 Facundo Bagnis (second round)

• # 🇦🇷 Renzo Olivo (final)

• # Gastão Elias (champion)

• # 🇸🇰 Andrej Martin (second round)

• # 🇧🇷 João Souza (second round)

• # Gonçalo Oliveira (semifinals)