2023 Challenger Banque Nationale de Saguenay – Singles

Karman Thandi is the defending champion but chose not to participate.

Last year runner-up Katherine Sebov won the title, defeating Fanny Stollár in the final, 6–4, 6–4.

Seeds
• # 🇨🇦 Katherine Sebov (champion)

• # 🇦🇺 Arina Rodionova (semifinals)

• # Lesley Pattinama Kerkhove (first round)

• # 🇯🇵 Haruka Kaji (first round)

• # Lulu Sun (withdrew)

• # 🇱🇹 Justina Mikulskytė (quarterfinals)

• # 🇨🇦 Marina Stakusic (second round)

• # 🇭🇺 Fanny Stollár (final)