Born in Rio de Janeiro, Luan Freitas was a youth graduate of Fluminense, and started to feature in first team trainings in 2019.
He made his first team debut on 4 March 2021, starting in a 2–1 Campeonato Carioca away loss against Resende;[2] he broke the fifth metatarsal bone of his left foot during the match, being sidelined for three months.
[3] On 8 October 2021, Luan Freitas renewed his contract with Flu until the end of 2024.
[4] He spent the entire 2022 season nursing a knee injury, only recovering in March 2023.
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