2018 Winnipeg National Bank Challenger – Men's doubles

Luke Bambridge and David O'Hare were the defending champions but chose not to defend their title.

Marc-Andrea Hüsler and Sem Verbeek won the title after defeating Gerard and Marcel Granollers 6–7(5–7), 6–3, [14–12] in the final.

Seeds
• # 🇪🇸 Gerard Granollers / 🇪🇸 Marcel Granollers (final)

• # 🇦🇺 Matt Reid / 🇯🇵 Yasutaka Uchiyama (withdrew)

• # Marc-Andrea Hüsler / Sem Verbeek (champions)

• # 🇦🇺 Jason Kubler / 🇦🇺 Bradley Mousley (semifinals)