2017 Marburg Open – Singles

Jan Šátral was the defending champion but lost in the first round to Benjamin Bonzi.

Filip Krajinović won the title after defeating Cedrik-Marcel Stebe 6–2, 6–3 in the final.

Seeds
• # 🇳🇴 Casper Ruud (second round)

• # 🇦🇷 Guido Pella (first round)

• # 🇧🇪 Arthur De Greef (semifinals)

• # 🇧🇾 Uladzimir Ignatik (second round)

• # 🇨🇿 Jan Šátral (first round)

• # 🇪🇸 Guillermo García López (semifinals)

• # 🇸🇰 Andrej Martin (second round)

• # 🇮🇹 Federico Gaio (first round)