2017 BMW Open – Singles

Philipp Kohlschreiber was the defending champion, but lost in the second round to Horacio Zeballos.

Alexander Zverev won the title, defeating Guido Pella in the final, 6–4, 6–3.

Seeds
The top four seeds receive a bye into the second round. • #🇫🇷 Gaël Monfils (second round)

• #🇪🇸 Roberto Bautista Agut (semifinals)

• #🇩🇪 Alexander Zverev (champion)

• #🇮🇹 Fabio Fognini (second round)

• #🇩🇪 Philipp Kohlschreiber (second round)

• #🇩🇪 Mischa Zverev (second round)

• #🇩🇪 Jan-Lennard Struff (quarterfinals)

• #🇧🇷 Thomaz Bellucci (second round)

Seeds
• # 🇺🇦 Sergiy Stakhovsky (moved to main draw)

• # 🇫🇷 Julien Benneteau (first round)

• # 🇧🇪 Arthur De Greef (first round)

• # 🇰🇿 Alexander Bublik (first round)

• # 🇸🇰 Jozef Kovalík (qualified)

• # 🇧🇾 Uladzimir Ignatik (qualifying competition)

• # 🇦🇷 Guido Pella (qualified)

• # 🇵🇱 Jerzy Janowicz (qualifying competition)

Qualifiers
• # 🇸🇰 Jozef Kovalík

• # 🇩🇪 Cedrik-Marcel Stebe

• # 🇩🇪 Yannick Hanfmann

• # 🇦🇷 Guido Pella