2024 Brasil Tennis Challenger – Singles

Andrea Collarini was the defending champion but chose not to defend his title.

Camilo Ugo Carabelli won the title after defeating Federico Coria 7–5, 6–4 in the final.

Seeds
• # 🇦🇷 Federico Coria (final)

• # 🇦🇷 Camilo Ugo Carabelli (champion)

• # Ivan Gakhov (quarterfinals)

• # 🇦🇷 Santiago Rodríguez Taverna (first round)

• # 🇮🇹 Marco Cecchinato (second round)

• # 🇮🇹 Alessandro Giannessi (first round, retired)

• # 🇮🇹 Edoardo Lavagno (second round)

• # 🇦🇷 Juan Pablo Ficovich (first round)