2017 Internazionali di Tennis dell'Umbria – Singles

Miljan Zekić was the defending champion but lost in the first round to Arthur De Greef.

Federico Delbonis won the title after defeating Marco Cecchinato 7–5, 6–1 in the final.

Seeds
• # 🇷🇸 Dušan Lajović (semifinals)

• # 🇮🇹 Marco Cecchinato (final)

• # 🇲🇩 Radu Albot (first round)

• # 🇦🇷 Facundo Bagnis (quarterfinals)

• # 🇦🇷 Federico Delbonis (champion)

• # Gastão Elias (quarterfinals)

• # 🇧🇪 Arthur De Greef (quarterfinals)

• # 🇮🇹 Alessandro Giannessi (first round, retired)