[5][6] At the 2019 World Taekwondo Championships held in Manchester, United Kingdom, Melo won a bronze medal in the Men's finweight category.

[7] At the 2019 Pan American Games held in Lima, Peru, Melo won a bronze medal in the Men's 58 kg category.

[12] At the 2022 World Taekwondo Championships held in Guadalajara, Mexico, Melo started with a 2-0 victory over Australian Benjamin Camua, with scores of 15-1 and 16-4.

[14] At the 2023 Pan American Games held in Santiago, Chile, Melo repeated his 2019 result, again obtaining bronze in the individual category.

[15] The Brazilian men's team, formed by Melo, Maicon Andrade and Edival Pontes, won an unprecedented gold medal for the country, after a thrilling comeback over Cuba in the semifinals, with a 76-60 triumph, and a crushing victory over Chile 48 to 16, where the Brazilian team was impressive in front of the noisy fans who attended the Centro de Deportes de Contacto.