4. Round | 14/03/2021 | Suwon FC | - | Seongnam FC | 1:2 | ||||
5. Round | 17/03/2021 | Gangwon FC | - | Seongnam FC | 0:0 | ||||
6. Round | 21/03/2021 | Seongnam FC | - | Pohang Steelers | 2:1 | ||||
7. Round | 03/04/2021 | Seongnam FC | - | Ulsan Hyundai FC | 0:1 | ||||
8. Round | 06/04/2021 | Daegu FC | - | Seongnam FC | 0:0 | ||||
9. Round | 10/04/2021 | Seongnam FC | - | Gwangju FC | 2:0 | ||||
10. Round | 18/04/2021 | Jeonbuk FC | - | Seongnam FC | 1:0 | ||||
11. Round | 21/04/2021 | Seongnam FC | - | Incheon United | 1:3 | ||||
12. Round | 25/04/2021 | Seongnam FC | - | Suwon Bluewings | 0:1 | ||||
14. Round | 20/06/2021 | Ulsan Hyundai FC | - | Seongnam FC | 2:2 | ||||
17. Round | 26/06/2021 | Seongnam FC | - | Gangwon FC | 1:2 | ||||
16. Round | 04/08/2021 | Pohang Steelers | - | Seongnam FC | 1:0 | ||||
20. Round | 18/08/2021 | Incheon United | - | Seongnam FC | 1:0 | ||||
28. Round | 28/08/2021 | Daegu FC | - | Seongnam FC | 3:1 | ||||
21. Round | 04/09/2021 | Seongnam FC | - | Daegu FC | 0:0 | ||||
29. Round | 12/09/2021 | Seongnam FC | - | FC Seoul | 1:1 | ||||
30. Round | 19/09/2021 | Incheon United | - | Seongnam FC | 0:1 |