2023 Open de Vendée – Singles

Jelle Sels was the defending champion but chose not to defend his title.

Tomáš Macháč won the title after defeating Arthur Fery 6–3, 6–4 in the final.

Seeds
• # 🇫🇷 Hugo Gaston (quarterfinals)

• # Dominic Stricker (first round)

• # 🇫🇷 Benjamin Bonzi (second round)

• # 🇧🇪 David Goffin (second round)

• # Marc-Andrea Hüsler (first round)

• # 🇺🇸 Maxime Cressy (first round)

• # 🇬🇧 Jack Draper (quarterfinals)

• # 🇨🇿 Tomáš Macháč (champion)