2023 León Open – Singles

Blaž Rola was the defending champion but chose not to defend his title.

Giovanni Mpetshi Perricard won the title after defeating Juan Pablo Ficovich 6–7(5–7), 7–6(8–6), 7–6(7–3) in the final.

Seeds
• # 🇦🇺 James Duckworth (quarterfinals)

• # 🇦🇷 Facundo Bagnis (second round)

• # Antoine Bellier (quarterfinals)

• # 🇦🇷 Renzo Olivo (second round)

• # 🇫🇷 Antoine Escoffier (first round)

• # 🇦🇷 Thiago Agustín Tirante (second round)

• # 🇦🇹 Maximilian Neuchrist (semifinals)

• # 🇦🇷 Juan Pablo Ficovich (final)