1. Round | 01/03/2021 | Ulsan Hyundai FC | - | Gangwon FC | 5:0 | ||||
2. Round | 06/03/2021 | Gwangju FC | - | Ulsan Hyundai FC | 0:1 | ||||
3. Round | 09/03/2021 | Ulsan Hyundai FC | - | Incheon United | 3:1 | ||||
4. Round | 13/03/2021 | Pohang Steelers | - | Ulsan Hyundai FC | 1:1 | ||||
5. Round | 16/03/2021 | Ulsan Hyundai FC | - | Jeju United | 0:0 | ||||
6. Round | 21/03/2021 | Daegu FC | - | Ulsan Hyundai FC | 2:1 | ||||
8. Round | 07/04/2021 | Ulsan Hyundai FC | - | FC Seoul | 3:2 | ||||
9. Round | 11/04/2021 | Suwon FC | - | Ulsan Hyundai FC | 0:1 | ||||
10. Round | 18/04/2021 | Suwon Bluewings | - | Ulsan Hyundai FC | 3:0 | ||||
11. Round | 21/04/2021 | Ulsan Hyundai FC | - | Jeonbuk FC | 0:0 | ||||
12. Round | 25/04/2021 | Incheon United | - | Ulsan Hyundai FC | 0:0 | ||||
13. Round | 01/05/2021 | Ulsan Hyundai FC | - | Gwangju FC | 2:0 | ||||
18. Round | 22/05/2021 | Ulsan Hyundai FC | - | Pohang Steelers | 1:0 | ||||
19. Round | 29/05/2021 | Jeju United | - | Ulsan Hyundai FC | 1:2 | ||||
14. Round | 20/06/2021 | Ulsan Hyundai FC | - | Seongnam FC | 2:2 |