2024 Championnats Banque Nationale de Granby – Men's singles

Alexis Galarneau was the defending champion but lost in the first round to Bruno Kuzuhara.

Bu Yunchaokete won the title after defeating Térence Atmane 6–3, 6–7(7–9), 6–4 in the final.

Seeds
• # 🇦🇺 Adam Walton (first round, retired)

• # 🇫🇷 Térence Atmane (final)

• # 🇫🇷 Benjamin Bonzi (second round)

• # 🇨🇦 Alexis Galarneau (first round)

• # 🇫🇷 Hugo Grenier (semifinals)

• # 🇨🇳 Bu Yunchaokete (champion)

• # 🇯🇵 Yasutaka Uchiyama (semifinals)

• # 🇺🇸 Tristan Boyer (second round)