| 1. Jornada | 10.05.2020 | Gangwon FC | - | FC Seoul | 3:1 |  |
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| 2. Jornada | 17.05.2020 | FC Seoul | - | Gwangju FC | 1:0 | ||||
| 3. Jornada | 22.05.2020 | Pohang Steelers | - | FC Seoul | 1:2 |  |
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| 9. Jornada | 27.06.2020 | FC Seoul | - | Incheon United | 1:0 | ||||
| 10. Jornada | 04.07.2020 | Suwon Bluewings | - | FC Seoul | 3:3 | ||||
| 11. Jornada | 10.07.2020 | Busan IPark | - | FC Seoul | 2:0 | ||||
| 12. Jornada | 18.07.2020 | FC Seoul | - | Pohang Steelers | 1:3 | ||||
| 20. Jornada | 13.09.2020 | FC Seoul | - | Suwon Bluewings | 2:1 | ||||
| 21. Jornada | 16.09.2020 | Incheon United | - | FC Seoul | 1:0 | ||||
| 22. Jornada | 20.09.2020 | FC Seoul | - | Daegu FC | 0:0 |
España