Source: K League Rules for classification: 1) Points; 2) Goals scored; 3) Goal difference; 4) Wins; 5) Head-to-head points (C) Champions; (R) Relegated Notes:
^Teams are split into two groups (Final A and Final B) after each have played 22 matches.
^Sangju Sangmu were a military team and were not eligible to represent South Korea in the AFC club competitions. Additionally, they were relegated to K League 2 regardless of their final position by moving their stronghold the next season.
Stadium: Suwon World Cup Stadium Attendance: 0 Referee: Kim Yong-woo Assistant referees: Ji Seung-min Assistant referees: Kim Gye-yong Fourth official: Kim Young-su
Stadium: Seoul World Cup Stadium Attendance: 0 Referee: Kim Woo-sung Assistant referees: Lee Jung-min Assistant referees: Yang Jae-yong Fourth official: Park Byung-jin
Stadium: DGB Daegu Bank Park Attendance: 0 Referee: Kim Dae-yong Assistant referees: Kim Sung-il Assistant referees: Kim Gye-yong Fourth official: Kim Yong-woo
Video assistant referee: Kim Sung-ho
Assistant video assistant referees: Choi Gyu-hyeon
Stadium: DGB Daegu Bank Park Attendance: 0 Referee: Kim Woo-sung Assistant referees: Kwak Seung-soon Assistant referees: Jang Jong-pil Fourth official: Kim Jung-hoo
Stadium: Ulsan Munsu Football Stadium Attendance: 0 Referee: Park Byung-jin Assistant referees: Bang Ki-yeol Assistant referees: Kim Gye-yong Fourth official: Kim Do-yeon
Stadium: Ulsan Munsu Football Stadium Attendance: 0 Referee: Kim Dong-jin Assistant referees: Lee Jung-min Assistant referees: Jang Jong-pil Fourth official: Park Jong-myeong
Stadium: Jeonju World Cup Stadium Attendance: 8,798 Referee: Kim Jong-hyeok Assistant referees: Noh Su-yong Assistant referees: Park Sang-jun Fourth official: Kim Young-su
Ulsan Hyundai qualified for the Champions League group stage as the runners-up of the 2019 K League 1 season.[11] They were drawn in Group F with FC Tokyo, Perth Glory and Shanghai Shenhua.[12] As the group winners, they advanced to the knockout stage, where they eliminated Melbourne Victory in the round of 16, Beijing FC in the quarter-finals, and Vissel Kobe in the semi-finals, respectively.[13] In the final, held on 19 December 2020 in Al Wakrah, Qatar, they defeated Iranian side Persepolis 2–1 with a brace by Júnior Negrão to win their second Champions League title, and first since 2012.[14]
Last updated: 19 December 2020 Source: Soccerway Only competitive matches = Number of bookings; = Number of sending offs after a second yellow card; = Number of sending offs by a direct red card.
Notes
^ abThe AFC announced on 29 January 2020 that the group stage matches which Chinese teams were supposed to host on matchdays 1, 2, and 3 would be switched with the corresponding away matches due to the COVID-19 pandemic in China.[15][16][17]