He won one of the bronze medals in the men's 67 kg event at the 2020 Summer Olympics held in Tokyo, Japan.

[2][3] In 2010, he won the gold medal in the men's kumite 60 kg event at the Asian Games held in Guangzhou, China.

In 2009, Assadilov competed in the men's kumite 60 kg at the World Games held in Kaohsiung, Taiwan without winning a medal.

In 2018, Assadilov won one of the bronze medals in the men's kumite 60 kg event at the World Karate Championships held in Madrid, Spain.

Assadilov competed in the men's kumite 60 kg event at the 2022 World Games held in Birmingham, United States.