2017 Challenger Banque Nationale de Drummondville – Singles

Dan Evans was the defending champion, but decided not to participate this year.

Denis Shapovalov won the title, defeating Ruben Bemelmans 6–3, 6–2 in the final.

Seeds
• #🇨🇿 Adam Pavlásek (first round)

• #🇨🇦 Peter Polansky (second round)

• #🇫🇷 Quentin Halys (second round, retired)

• #🇧🇪 Ruben Bemelmans (final)

• #🇫🇷 Vincent Millot (first round)

• #🇺🇸 Tennys Sandgren (second round)

• #🇦🇺 Sam Groth (first round)

• # Igor Sijsling (first round)