| 6. Jornada | 21.03.2021 | Seongnam FC | - | Pohang Steelers | 2:1 | ||||
| 25. Jornada | 15.08.2021 | Pohang Steelers | - | Suwon FC | 3:1 | ||||
| 26. Jornada | 22.08.2021 | FC Seoul | - | Pohang Steelers | 2:2 | ||||
| 27. Jornada | 25.08.2021 | Jeonbuk FC | - | Pohang Steelers | 2:0 | ||||
| 28. Jornada | 28.08.2021 | Pohang Steelers | - | Suwon Bluewings | 0:0 | ||||
| 29. Jornada | 10.09.2021 | Pohang Steelers | - | Daegu FC | 1:2 | ||||
| 31. Jornada | 21.09.2021 | Pohang Steelers | - | Ulsan Hyundai FC | 1:2 | ||||
| 32. Jornada | 25.09.2021 | Pohang Steelers | - | Jeju United | 2:4 |  |
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| 33. Jornada | 03.10.2021 | Gwangju FC | - | Pohang Steelers | 2:3 |
Corea del Sur