[2] He made it into his first singles Challenger final at the 2023 Open Bogotá but withdrew before the match handing the title to Thiago Agustin Tirante.

He reached the semifinals, where he faced the tournament's top seed Facundo Díaz Acosta, ranked No.

[7] For winning the IV Maria Esther Bueno Cup at the end of 2023, Heide earned an invitation to compete in the ATP 500 in Rio de Janeiro, in February 2024.

[8] He participated in the tie between Brazil and Sweden for the Davis Cup World Qualifier, in February 2024.

[12] He won the championship match, lifting his maiden title by defeating his compatriot João Fonseca and made his top 200 debut at world No.