Monteiro began training around 13 years old and passed through various schools before receiving her Black Belt in 2010 from Rodrigo Cavaca.

[1] At the beginning of 2018 Luiza joined the Atos Jiu-Jitsu Team in San Diego California where she now trains alongside competitors such as Andre Galvao, Kaynan Duarte and Lucas Barbosa.

[7] Monteiro was invited to compete in the women's lightweight division of The Crown on November 19, 2023 along with Brianna Ste-Marie, Janaina Lebre, and Nathalie Ribeiro.

[13] Monteiro won a gold medal in the lightweight division at the IBJJF World Championship 2024,[14] then announced her retirement from the tournament immediately afterward.

[16] Luiza is known for her leglocks, footlocks and toeholds finishing three opponents during her Gold medal winning campaign at the 2016 Euros.