2017 Thindown Challenger Biella – Singles

Federico Gaio was the defending champion but lost in the second round to João Souza.

Filip Krajinović won the title after defeating Salvatore Caruso 6–3, 6–2 in the final.

Seeds
• # 🇮🇹 Marco Cecchinato (quarterfinals)

• # 🇪🇸 Guillermo García López (second round)

• # 🇦🇷 Leonardo Mayer (withdrew)

• # 🇦🇷 Guido Andreozzi (first round, retired)

• # 🇷🇸 Filip Krajinović (champion)

• # 🇧🇷 João Souza (semifinals)

• # 🇮🇹 Stefano Travaglia (quarterfinals)

• # 🇪🇸 Roberto Carballés Baena (second round)