| 5. Jornada | 05.06.2020 | Incheon United | - | Gangwon FC | 1:2 | ||||
| 6. Jornada | 13.06.2020 | Jeonbuk FC | - | Incheon United | 1:0 | ||||
| 7. Jornada | 17.06.2020 | Gwangju FC | - | Incheon United | 2:1 | ||||
| 8. Jornada | 21.06.2020 | Incheon United | - | Busan IPark | 0:1 | ||||
| 9. Jornada | 27.06.2020 | FC Seoul | - | Incheon United | 1:0 | ||||
| 11. Jornada | 11.07.2020 | Incheon United | - | Sangju Sangmu | 1:1 |  |
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| 12. Jornada | 19.07.2020 | Incheon United | - | Jeonbuk FC | 1:1 | |
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| 13. Jornada | 26.07.2020 | Pohang Steelers | - | Incheon United | 1:1 | ||||
| 14. Jornada | 01.08.2020 | Incheon United | - | Gwangju FC | 1:3 | ||||
| 15. Jornada | 09.08.2020 | Incheon United | - | Seongnam FC | 0:2 | ||||
| 17. Jornada | 22.08.2020 | Incheon United | - | Suwon Bluewings | 1:0 | ||||
| 18. Jornada | 29.08.2020 | Sangju Sangmu | - | Incheon United | 3:1 | ||||
| 19. Jornada | 06.09.2020 | Gangwon FC | - | Incheon United | 2:3 | ||||
| 20. Jornada | 13.09.2020 | Busan IPark | - | Incheon United | 0:0 |
Corea del Sur