2023 RD Open – Singles

Pedro Cachin was the defending champion but chose not to defend his title.

Genaro Alberto Olivieri won the title after defeating Marco Trungelliti 7–5, 2–6, 6–4 in the final.

Seeds
• # 🇦🇷 Federico Coria (semifinals)

• # Alejandro Tabilo (quarterfinals)

• # 🇦🇷 Thiago Agustín Tirante (second round)

• # 🇮🇹 Flavio Cobolli (first round)

• # 🇧🇴 Hugo Dellien (first round)

• # 🇧🇷 Felipe Meligeni Alves (quarterfinals, retired)

• # 🇦🇷 Genaro Alberto Olivieri (champion)

• # 🇦🇷 Marco Trungelliti (final)