[1] He competed in the men's 100 metre backstroke event at the 2018 Asian Games, winning the bronze medal.
[2] He qualified to represent South Korea at the 2020 Summer Olympics.
[3] In July 2021, he represented South Korea at the 2020 Summer Olympics held in Tokyo, Japan.
[4] In the 200m backstroke heats event, he completed at rank 2, allowing him to advance to compete in the semifinal.
[5] In the 200m backstroke semifinal event, he completed at rank 11, missing out to compete in the final.