| 2. Ronde | 17.05.2020 | Seongnam FC | - | Incheon United | 0:0 | ||||
| 3. Ronde | 23.05.2020 | Suwon Bluewings | - | Incheon United | 1:0 | ||||
| 4. Ronde | 31.05.2020 | Incheon United | - | Pohang Steelers | 1:4 | ||||
| 6. Ronde | 13.06.2020 | Jeonbuk FC | - | Incheon United | 1:0 | ||||
| 9. Ronde | 27.06.2020 | FC Seoul | - | Incheon United | 1:0 | ||||
| 10. Ronde | 04.07.2020 | Ulsan Hyundai FC | - | Incheon United | 4:1 | ||||
| 18. Ronde | 29.08.2020 | Sangju Sangmu | - | Incheon United | 3:1 | ||||
| 19. Ronde | 06.09.2020 | Gangwon FC | - | Incheon United | 2:3 |  |
Zuid-Korea