2017 Claro Open Medellín – Singles

Facundo Bagnis was the defending champion but chose not to defend his title.

Nicolás Jarry won the title after defeating João Souza 6–1, 3–6, 7–6(7–0) in the final.

Seeds
• # 🇩🇴 Víctor Estrella Burgos (first round)

• # Darian King (semifinals)

• # 🇧🇷 João Souza (final)

• # Nicolás Jarry (champion)

• # Marcelo Arévalo (second round)

• # 🇪🇨 Roberto Quiroz (quarterfinals)

• # 🇩🇴 José Hernández-Fernández (second round)

• # 🇫🇷 Maxime Hamou (withdrew)