español
2020 Main
| Pl | W | D | L | Diff | Pts | |||
| 1 | Jeju Utd | 27 | 18 | 6 | 3 | 50:23 | 27 | 60 |
| 2 | Suwon FC | 27 | 17 | 3 | 7 | 52:28 | 24 | 54 |
| 3 | Gyeongnam | 27 | 10 | 9 | 8 | 40:37 | 3 | 39 |
| 4 | Daejeon | 27 | 11 | 6 | 10 | 36:35 | 1 | 39 |
| 5 | Seoul E-Land | 27 | 11 | 6 | 10 | 33:30 | 3 | 39 |
| 6 | Jeonnam | 27 | 8 | 14 | 5 | 31:25 | 6 | 38 |
| 7 | Ansan Greeners | 27 | 7 | 7 | 13 | 18:34 | -16 | 28 |
| 8 | Bucheon FC 1995 | 27 | 7 | 5 | 15 | 19:36 | -17 | 26 |
| 9 | Anyang | 27 | 6 | 7 | 14 | 27:38 | -11 | 25 |
| 10 | Asan | 27 | 5 | 7 | 15 | 20:40 | -20 | 22 |
Promotion ~ K League 1
Promotion ~ K League 2 (Promotion: )
2020 Promotion
Semi-finals
| 1 | Suwon FC | Bye | |
| 2 | Gyeongnam | Daejeon | 1 : 1 |
Final
| 1 | Suwon FC | Gyeongnam | 1 : 1 |