2023 Girona Challenger – Singles

This was the first edition of the tournament.

Ivan Gakhov won the title after Gastão Elias retired before the start of the third set in the final, after Gakhov won the second set 6–4 after losing the first 5–7.

Seeds
• # 🇦🇷 Pedro Cachin (quarterfinals)

• # 🇪🇸 Jaume Munar (quarterfinals)

• # 🇪🇸 Pedro Martínez (semifinals)

• # 🇭🇺 Fábián Marozsán (second round)

• # 🇮🇹 Raúl Brancaccio (second round)

• # 🇰🇿 Timofey Skatov (quarterfinals)

• # João Sousa (second round)

• # 🇬🇧 Liam Broady (withdrew)

• # 🇺🇦 Oleksii Krutykh (second round)