[1] In 2019, he won the gold medal in the men's bantamweight event at the 2019 World Taekwondo Championships in Manchester, United Kingdom.

Flower, missed the quarterfinals[6] In October, Zhao Shuai lost to Song Weijie 3:8 in the men's 58 kg Taekwondo final of the Seventh National Urban Games and won the silver medal.

[9] In October, in the men's 54–58 kg competition of the Sixth East Asian Games, Zhao Shuai eliminated Huang Changqi and advanced to the final.

[citation needed] In August 2016, in the 58 kg of the Taekwondo men's 58 kg match in the Rio de Janeiro Olympic Games, Zhao Shuai defeated Kabrier, Hargie, Navaro Waldiz, to break into the final; the final defeated Thai player Han 6: 4 Plabu, won the gold medal.

[15] In March 2019, in the men's under-68 kg final of the U.S. Taekwondo Open, Zhao Shuai defeated British player McNish 19:17 and won the championship.

[16] In May, in the men's 63 kg final of the World Taekwondo Championships, Zhao Shuai defeated Iranian player Ahmadi 27:7 to defend his title.

[18] On July 25, 2021, in the men's 68 kg taekwondo competition at the Tokyo Olympics, Zhao Shuai first defeated Sediqi 22:20, and then eliminated Bernardo Piet 13:8 in the quarter-finals.

On October 22, 2023, the 2023 Suzhou Taihu Marathon started with the gun fired on the 22nd, with Zhao Shuai and Zheng Shuyin leading the race.