Yeong Seok Jeong (Gyeonggido, KOR) won 12-10 over Chang-Min Kim (Uiseong, KOR) in the Final of the Korean Curling Championships, held November 19 - 23, 2020 in Gangneung, Korea. To advance to the championship game, Jeong won 8-7 over SooHyuk Kim (Seoul, KOR) in the semifinals of the 2021 Korean Curling Championships in Gangneung, Korea;
 
Jeong finished 4-2 in the 0-team qualifying round. . In their opening game, Jeong lost 4-3 to Kim, then responded with a 10-3 win over Kim. Jeong won 11-8 against Jongduk Park (Gangwondo, KOR). Jeong went on to lose 8-2 against Eun Bin Kim (Uiseong, KOR). Jeong responded with a 11-5 win over Gyu Nam Oh (Seoul, KOR). Jeong won 10-8 against Woo Jin Yang (Uijeongbu, KOR) in their final qualifying round match.
 
Jeong ranks 19th overall on the Year-to-Date rankings with 0.000 points earned so far this season.