| 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 | ||||
| 5. Journée | 05.06.2020 | Incheon United | - | Gangwon FC | 1:2 |  |
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| 10. Journée | 04.07.2020 | Ulsan Hyundai FC | - | Incheon United | 4:1 | ||||
| 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 | |
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| 14. Journée | 01.08.2020 | Incheon United | - | Gwangju FC | 1:3 | ||||
| 16. Journée | 16.08.2020 | Daegu FC | - | Incheon United | 0:1 | ||||
| 17. Journée | 22.08.2020 | Incheon United | - | Suwon Bluewings | 1:0 | ||||
| 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