2023 Maia Challenger – Singles

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

Nuno Borges won the title after defeating Benoît Paire 6–1, 6–4 in the final.

Seeds
• # Nuno Borges (champion)

• # 🇪🇸 Albert Ramos Viñolas (quarterfinals)

• # 🇫🇷 Benoît Paire (final)

• # 🇮🇹 Fabio Fognini (second round, withdrew)

• # 🇸🇪 Elias Ymer (quarterfinals)

• # 🇮🇹 Andrea Vavassori (quarterfinals)

• # 🇫🇷 Calvin Hemery (first round)

• # 🇮🇹 Riccardo Bonadio (first round)