[1] He was a part of the Korean national team that won the 2017 Sudirman Cup.

[2] Choi has been best known as a mixed doubles player since his back-to-back titles at the Asian Junior Championships in 2012 and 2013.

However, as a junior, he was also successful in boys' singles, in which he won the under-17 title at the 2011 Surabaya Cup,[3] and the Malaysia International Youth U19 in both 2012 and 2013.

[4] Choi competed at the 2020 Summer Olympics in the men's doubles partnering Seo Seung-jae.

His pace at the Games was stopped in the group stage.