| 7. Ronde | 17.06.2020 | Sangju Sangmu | - | FC Seoul | 1:0 | ||||
| 9. Ronde | 27.06.2020 | FC Seoul | - | Incheon United | 1:0 |  |
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| 10. Ronde | 04.07.2020 | Suwon Bluewings | - | FC Seoul | 3:3 | ||||
| 11. Ronde | 10.07.2020 | Busan IPark | - | FC Seoul | 2:0 | ||||
| 12. Ronde | 18.07.2020 | FC Seoul | - | Pohang Steelers | 1:3 | ||||
| 14. Ronde | 01.08.2020 | Seongnam FC | - | FC Seoul | 1:2 | |
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| 15. Ronde | 07.08.2020 | FC Seoul | - | Gangwon FC | 2:0 | ||||
| 16. Ronde | 15.08.2020 | FC Seoul | - | Sangju Sangmu | 2:1 | ||||
| 17. Ronde | 22.08.2020 | Gwangju FC | - | FC Seoul | 0:0 | ||||
| 18. Ronde | 30.08.2020 | Ulsan Hyundai FC | - | FC Seoul | 3:0 | ||||
| 19. Ronde | 05.09.2020 | FC Seoul | - | Busan IPark | 1:1 | ||||
| 20. Ronde | 13.09.2020 | FC Seoul | - | Suwon Bluewings | 2:1 | ||||
| 21. Ronde | 16.09.2020 | Incheon United | - | FC Seoul | 1:0 | ||||
| 22. Ronde | 20.09.2020 | FC Seoul | - | Daegu FC | 0:0 |
Zuid-Korea