1. Round | 01/03/2021 | Ulsan Hyundai FC | - | Gangwon FC | 5:0 | ||||
4. Round | 13/03/2021 | Pohang Steelers | - | Ulsan Hyundai FC | 1:1 | ||||
9. Round | 11/04/2021 | Suwon FC | - | Ulsan Hyundai FC | 0:1 | ||||
12. Round | 25/04/2021 | Incheon United | - | Ulsan Hyundai FC | 0:0 | ||||
28. Round | 29/08/2021 | Ulsan Hyundai FC | - | Incheon United | 3:2 | ||||
30. Round | 18/09/2021 | Daegu FC | - | Ulsan Hyundai FC | 2:1 |