2023 Open Saint-Brieuc – Singles

Jack Draper was the defending champion but chose not to defend his title.

Ričardas Berankis won the title after defeating Dan Added 6–3, 6–7(3–7), 7–6(7–5) in the final.

Seeds
• # 🇫🇷 Antoine Escoffier (quarterfinals)

• # 🇦🇺 Li Tu (first round)

• # 🇫🇷 Evan Furness (semifinals)

• # Frederico Ferreira Silva (second round)

• # 🇧🇪 Gauthier Onclin (second round)

• # 🇧🇪 Raphaël Collignon (first round)

• # 🇫🇷 Harold Mayot (quarterfinals)

• # 🇱🇹 Ričardas Berankis (champion)