[6] Bruna Takahashi won bronze in singles and gold in team at the 2016 Latin American Table Tennis Championships.

[11] At the 2018 Youth Olympic Games, in Buenos Aires, she reached the quarterfinals of the individual tournament, losing only to China's Sun Yingsha, who finished with the gold medal.

[12] At the end of 2018, she reached the semifinals of the 2018 Pan American Table Tennis Championships, where she was eliminated by Adriana Diaz, obtaining bronze in singles.She also won gold in the team event.

[20] She won the bronze medal three times at the WTT Contender in Lima 2022, Tunis 2023 and Rio de Janeiro 2023, reaching the semi-finals of the tournaments.

[21][22] At the 2023 Pan American Games, Takahashi reached the final, and against her biggest rival in the Americas, Puerto Rican Adriana Diaz, she opened 3 sets to 2, but ended up taking silver with a score of 3 to 4.

[28][29] In January 2024, Takahashi obtained one of her greatest individual titles when she won the Pan American Table Tennis Cup.

Although Brazil was eliminated by South Korea in the round of 16, in this match Takahashi defeated Shin Yu-bin, the world number 8, by 3 sets to 2, obtaining one of the biggest victories of her career.

[32] Takahashi beat Sarah Hanffou by 3 sets to 1 and competed to qualify for the round of 16 with Joo Cheonhui, where she needed to win to advance to the stage.

[33] At the 2024 WTT Contender in Rio de Janeiro, she managed to repeat her 2023 result, reaching the semifinals of a tournament of this size for the 4th time.