2023 Rafa Nadal Open – Singles

Luca Nardi was the defending champion but chose not to defend his title.

Hamad Medjedovic won the title after defeating Harold Mayot 6–2, 4–6, 6–2 in the final.

Seeds
• # Tomás Barrios Vera (first round)

• # 🇷🇸 Hamad Medjedovic (champion)

• # 🇫🇷 Antoine Escoffier (quarterfinals)

• # 🇸🇪 Elias Ymer (first round)

• # 🇮🇹 Mattia Bellucci (quarterfinals)

• # Alexander Ritschard (first round)

• # 🇫🇷 Harold Mayot (final)

• # 🇮🇹 Federico Gaio (first round)