2013 Challenger Banque Nationale de Rimouski – Singles

Vasek Pospisil was the defending champion but lost the final 6–7(6–8), 4–6 to quailificant Rik de Voest.

Seeds
• # 🇨🇦 Vasek Pospisil (final)

• # 🇹🇳 Malek Jaziri (first round)

• # 🇯🇵 Yūichi Sugita (quarterfinals)

• # 🇦🇺 John Millman (second round)

• # 🇺🇸 Bobby Reynolds (semifinals)

• # 🇩🇪 Cedrik-Marcel Stebe (second round)

• # 🇵🇱 Michał Przysiężny (second round)

• # Jimmy Wang (second round)