[4] When he was educated in the Maewon High School, he competed at the 2016 Asian Junior Championships, and won the silver medals in the mixed doubles and team event.

[5] He was also a bronze medalist at the 2017 World Junior Championships in the boys' doubles and team event.

[6] He was the youngest player from the Korean national team who competed at the 2017 Sudirman Cup.

He played one match, in the opening tie with Russia in the round robin stage.

[7] In the final round, Korea won the title after beating China by the score of 3–2.