At the 2014 Summer Youth Olympics held in Nanjing China, seeded second, Luz won the silver medal in singles, falling to Kamil Majchrzak of Poland in the final.

Additionally, he and Marcelo Zormann teamed up to win the gold medal in doubles, defeating the Russian duo of Andrey Rublev and Karen Khachanov 7–5, 3–6, [10–3] in the final (also seeded 2nd).

He and Chung Yun-seong lost to Yishai Oliel of Israel and Patrik Rikl of the Czech Republic in the final of the 2016 French Open Boys' Doubles tournament, 6–3, 6–4.

[3] Luz made his Grand Slam debut at the 2024 French Open as an alternate pair partnering Marcelo Zormann after reaching the top 100 on 22 May 2024 at world No.

[4] Luz recorded his first Grand Slam win at the 2025 Australian Open partnering Gregoire Jacq over alternate pair Jeevan Nedunchezhiyan and Vijay Sundar Prashanth.