2017 Open BNP Paribas Banque de Bretagne – Singles

Andrey Rublev was the defending champion but lost in the semifinals to Peter Gojowczyk.

Adrian Mannarino won the title after defeating Gojowczyk 6–4, 6–4 in the final.

Seeds
• # 🇫🇷 Adrian Mannarino (champion)

• # 🇫🇷 Jérémy Chardy (withdrew)

• # 🇺🇦 Sergiy Stakhovsky (quarterfinals)

• # 🇷🇺 Evgeny Donskoy (first round)

• # 🇫🇷 Julien Benneteau (second round)

• # 🇫🇷 Vincent Millot (first round)

• # 🇷🇺 Andrey Rublev (semifinals)

• # 🇩🇪 Peter Gojowczyk (final)