Grace Lau became the only representative of Hong Kong competing in the Olympic Games - Tokyo 2020, she also brought Hong Kong the 5th Olympic Medal in the history.

Defeating the World Champion - Kiyou Shimizu, historically achieved the FIRST GOLD MEDAL of Hong Kong Karate Team in 2023. A year later, She also defeated the Grand Winner of 2024, Ono Maho, successfully achieved the Gold Medal of Female Kata, secured her crown.