Stadium: Suwon World Cup Stadium Attendance: 3,258 Referee: Chae Sang-hyeop Assistant referees: Lee Jung-min Assistant referees: Yang Jae-yong Fourth official: Kim Jae-hong
Stadium: Suwon World Cup Stadium Attendance: 3,169 Referee: Kim Woo-Sung Assistant referees: Park Sang-jun Assistant referees: Jang Jong-pil Fourth official: Kim Jae-hong
Stadium: Incheon Football Stadium Attendance: 1,930 Referee: Kim Dong-jin Assistant referees: Kim Gye-yong Assistant referees: Jang Jong-pil Fourth official: Kim Young-su
Stadium: DGB Daegu Bank Park Attendance: 2,037 Referee: Kim Young-su Assistant referees: Ji Seung-min Assistant referees: Kang Dong-ho Fourth official: Choi Hyun-jai
Video assistant referee: Mae Ho-young
Assistant video assistant referee: Kim Kyoung-min Man of the Match: Jeong Tae-wook (Daegu FC)
Stadium: Suwon World Cup Stadium Attendance: 3,045 Referee: Kim Dae-yong Assistant referees: Lee Jung-min Assistant referees: Yang Jae-yong Fourth official: Cho Ji-um
Stadium: Seoul World Cup Stadium Attendance: 4,976 Referee: Kim Jong-hyeok Assistant referees: Kang Dong-ho Assistant referees: Park Kyun-yong Fourth official: Cho Ji-um
Stadium: Chuncheon Songam Sports Town Attendance: 1,086 Referee: Lee Dong-jun Assistant referees: Lee Jung-min Assistant referees: Yang Jae-yong Fourth official: Song Min-seok
Stadium: Suwon World Cup Stadium Attendance: 0 Referee: Ko Hyung-jin Assistant referees: Ji Seung-min Assistant referees: Seol Gui-sun Fourth official: Kim Yong-woo
Stadium: Suwon World Cup Stadium Attendance: 0 Referee: Lee Dong-jun Assistant referees: Park Sang-jun Assistant referees: Kang Dong-ho Fourth official: Jung Hoe-soo
Stadium: Suwon World Cup Stadium Attendance: 0 Referee: Jeong Dong-sik Assistant referees: Lee Jung-min Assistant referees: Lee Yang-woo Fourth official: Song Min-seok
Stadium: Jeonju World Cup Stadium Attendance: 3,837 Referee: Lee Dong-jun Assistant referees: Kim Gye-yong Assistant referees: Park Kyun-yong Fourth official: Seo Dong-jin
Note: The match originally scheduled to be held at 15 o'clock on 3 October 2021, but the match schedule was changed due to the outbreak of COVID-19 in the K League.
Stadium: DGB Daegu Bank Park Attendance: 3,108 Referee: Kim Dae-yong Assistant referees: Ji Seung-min Assistant referees: Yang Jae-yong Fourth official: Sung Duck-hyo
Stadium: Jeju World Cup Stadium Attendance: 1,633 Referee: Song Min-seok Assistant referees: Jang Jong-pil Assistant referees: Kim Ji-wook Fourth official: Seo Dong-jin
Video assistant referee: Jeong Dong-sik
Assistant video assistant referee: Kim Dong-in Man of the Match: Joo Min-kyu (Jeju United)
Stadium: Suwon World Cup Stadium Attendance: 5,315 Referee: Park Byung-jin Assistant referees: Park Sang-jun Assistant referees: Kang Dong-ho Fourth official: Shin Yong-jun
Stadium: Chuncheon Songam Sports Town Attendance: 748 Referee: Park Byung-jin Assistant referees: Park Sang-jun Assistant referees: Kang Dong-ho Fourth official: Chae Sang-hyeop
Note: The match was originally scheduled to be held on 18 August 2021, but the match schedule was changed due to the outbreak of COVID-19 in the K League.