[citation needed] He holds a bachelor's degree from Inha University in Incheon, South Korea.

[3] In 2017, he helped the Korean national team reach the final at the Sudirman Cup and won that tournament.

[4][5] He is married to compatriot women's singles player, Sung Ji-hyun.

A season of Superseries consisted of twelve tournaments around the world that had been introduced since 2011.

[10] Successful players were invited to the Superseries Finals, which were held at the end of each year.