| Time | Status | Match | FT | H1 | Stats | |
| 18/09/2021 07:20 |
(FT) | Jeonbuk Hyundai Motors[2] Suwon Samsung Bluewings[6] |
1 0 |
0 0 |
MF | ME | |
| 18/09/2021 09:30 |
(FT) | Gwangju Fc[9] Jeju United FC[8] |
0 3 |
1 0 |
MF | ME | |
| Gwangju Football Club was judged to deserve 0:3 loss for their irregularities. | ||||||
| 18/09/2021 12:00 |
(FT) | Daegu FC[4] Ulsan Hyundai Horang-i[1] |
2 1 |
0 1 |
MF | ME | |
| 19/09/2021 07:00 |
(FT) | Incheon United FC[7] Seongnam FC[10] |
0 1 |
0 0 |
MF | ME | |
| 19/09/2021 09:30 |
(FT) | Seoul[12] Suwon FC[3] |
2 1 |
2 0 |
MF | ME | |
| 29/09/2021 12:00 |
(FT) | Gangwon FC[11] Pohang Steelers[5] |
1 0 |
0 0 |
MF | ME | |