2015 Challenger ATP Cachantún Cup – Singles

Thiemo de Bakker was the defending champion, but did not participate.

Seeds
• # 🇧🇷 João Souza (withdrew)

• # 🇨🇴 Alejandro González (semifinals)

• # 🇦🇷 Máximo González (quarterfinals)

• # 🇦🇷 Facundo Bagnis (champion)

• # 🇦🇷 Horacio Zeballos (second round)

• # 🇦🇷 Facundo Argüello (second round)

• # Hans Podlipnik-Castillo (first round)

• # 🇦🇷 Renzo Olivo (second round)