2017 Winnipeg National Bank Challenger – Men's singles

Go Soeda was the defending champion but chose not to defend his title.

Blaž Kavčič won the title after defeating Peter Polansky 7–5, 3–6, 7–5 in the final.

Seeds
• # Blaž Kavčič (champion)

• # 🇨🇦 Peter Polansky (final)

• # 🇯🇵 Tatsuma Ito (first round)

• # 🇯🇵 Yasutaka Uchiyama (semifinals)

• # 🇯🇵 Hiroki Moriya (first round)

• # 🇨🇦 Steven Diez (first round)

• # 🇨🇦 Brayden Schnur (quarterfinals)

• # Blaž Rola (second round)