2021 Maia Challenger – Singles

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

Geoffrey Blancaneaux won the title after defeating Tseng Chun-hsin 3–6, 6–3, 6–2 in the final.

Seeds
• # 🇸🇰 Andrej Martin (semifinals)

• # 🇧🇪 Kimmer Coppejans (quarterfinals)

• # Gastão Elias (quarterfinals, withdrew)

• # João Domingues (second round)

• # Nuno Borges (semifinals)

• # Tseng Chun-hsin (final)

• # 🇨🇦 Steven Diez (first round)

• # 🇫🇷 Geoffrey Blancaneaux (champion)