2023 Garden Open – Singles

Franco Agamenone was the defending champion but lost in the quarterfinals to Jesper de Jong.

Sumit Nagal won the title after defeating de Jong 6–3, 6–2 in the final.

Seeds
• # 🇭🇺 Fábián Marozsán (first round)

• # 🇮🇹 Franco Agamenone (quarterfinals)

• # 🇮🇹 Mattia Bellucci (first round)

• # 🇮🇹 Francesco Maestrelli (first round)

• # Jelle Sels (second round)

• # 🇮🇹 Andrea Pellegrino (withdrew)

• # 🇦🇹 Maximilian Neuchrist (first round)

• # 🇧🇪 Joris De Loore (semifinals)