| 1. Journée | 09.05.2020 | Incheon United | - | Daegu FC | 0:0 | ||||
| 2. Journée | 17.05.2020 | Seongnam FC | - | Incheon United | 0:0 | ||||
| 3. Journée | 23.05.2020 | Suwon Bluewings | - | Incheon United | 1:0 | ||||
| 4. Journée | 31.05.2020 | Incheon United | - | Pohang Steelers | 1:4 |  |
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| 7. Journée | 17.06.2020 | Gwangju FC | - | Incheon United | 2:1 | ||||
| 10. Journée | 04.07.2020 | Ulsan Hyundai FC | - | Incheon United | 4:1 | |
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| 11. Journée | 11.07.2020 | Incheon United | - | Sangju Sangmu | 1:1 | ||||
| 12. Journée | 19.07.2020 | Incheon United | - | Jeonbuk FC | 1:1 | |
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| 13. Journée | 26.07.2020 | Pohang Steelers | - | Incheon United | 1:1 | ||||
| 14. Journée | 01.08.2020 | Incheon United | - | Gwangju FC | 1:3 | ||||
| 17. Journée | 22.08.2020 | Incheon United | - | Suwon Bluewings | 1:0 | ||||
| 18. Journée | 29.08.2020 | Sangju Sangmu | - | Incheon United | 3:1 | |
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| 19. Journée | 06.09.2020 | Gangwon FC | - | Incheon United | 2:3 | ||||
| 20. Journée | 13.09.2020 | Busan IPark | - | Incheon United | 0:0 | ||||
| 21. Journée | 16.09.2020 | Incheon United | - | FC Seoul | 1:0 | ||||
| 22. Journée | 20.09.2020 | Incheon United | - | Ulsan Hyundai FC | 0:1 |
Corée du Sud