| 21. Round | 25/07/2021 | Gangwon FC | - | Jeju United | 2:2 | ||||
| 22. Round | 01/08/2021 | Gangwon FC | - | Suwon Bluewings | 3:0 | ||||
| 23. Round | 07/08/2021 | Ulsan Hyundai FC | - | Gangwon FC | 2:1 | ||||
| 25. Round | 14/08/2021 | Gangwon FC | - | Daegu FC | 2:0 | ||||
| 29. Round | 12/09/2021 | Suwon FC | - | Gangwon FC | 1:0 | ||||
| 31. Round | 21/09/2021 | Suwon Bluewings | - | Gangwon FC | 3:2 | ||||
| 32. Round | 26/09/2021 | Seongnam FC | - | Gangwon FC | 2:0 | ||||
| 30. Round | 29/09/2021 | Gangwon FC | - | Pohang Steelers | 1:0 | ||||
| 33. Round | 02/10/2021 | Gangwon FC | - | Jeonbuk FC | 0:1 | ||||
| 26. Round | 06/10/2021 | Incheon United | - | Gangwon FC | 0:1 | ||||
| 27. Round | 10/10/2021 | Gangwon FC | - | Jeju United | 2:2 |  |
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| 28. Round | 17/10/2021 | Gangwon FC | - | Gwangju FC | 2:1 | ||||
| 24. Round | 24/10/2021 | Gangwon FC | - | FC Seoul | 1:4 |
South Korea