2023 Challenger La Manche – Singles

Benjamin Bonzi was the defending champion but chose not to defend his title.

Giulio Zeppieri won the title after defeating Titouan Droguet 7–5, 7–6(7–4) in the final.

Seeds
• # 🇨🇦 Vasek Pospisil (first round)

• # 🇦🇺 John Millman (first round)

• # 🇫🇷 Luca Van Assche (quarterfinals)

• # 🇫🇷 Hugo Grenier (second round)

• # 🇫🇷 Geoffrey Blancaneaux (second round)

• # 🇮🇹 Giulio Zeppieri (champion)

• # 🇫🇷 Laurent Lokoli (first round)

• # Alexander Ritschard (first round)