1. Round | 09/05/2020 | Gwangju FC | - | Seongnam FC | 0:2 | ||||
3. Round | 23/05/2020 | Gangwon FC | - | Seongnam FC | 1:1 | ||||
4. Round | 31/05/2020 | FC Seoul | - | Seongnam FC | 0:1 | ||||
6. Round | 13/06/2020 | Ulsan Hyundai FC | - | Seongnam FC | 1:0 | ||||
7. Round | 16/06/2020 | Seongnam FC | - | Suwon Bluewings | 0:2 | ||||
8. Round | 20/06/2020 | Seongnam FC | - | Sangju Sangmu | 0:1 | ||||
11. Round | 11/07/2020 | Jeonbuk FC | - | Seongnam FC | 2:2 | ||||
12. Round | 19/07/2020 | Suwon Bluewings | - | Seongnam FC | 0:1 | ||||
13. Round | 25/07/2020 | Seongnam FC | - | Gangwon FC | 0:0 | ||||
14. Round | 01/08/2020 | Seongnam FC | - | FC Seoul | 1:2 | ||||
18. Round | 30/08/2020 | Pohang Steelers | - | Seongnam FC | 2:1 | ||||
19. Round | 05/09/2020 | Seongnam FC | - | Jeonbuk FC | 2:0 | ||||
20. Round | 12/09/2020 | Sangju Sangmu | - | Seongnam FC | 0:0 |