| 18. Ronde | 23.05.2021 | Gwangju FC | - | Suwon Bluewings | 3:4 | ||||
| 19. Ronde | 30.05.2021 | Pohang Steelers | - | Gwangju FC | 1:0 | ||||
| 32. Ronde | 25.09.2021 | Ulsan Hyundai FC | - | Gwangju FC | 1:0 | ||||
| 33. Ronde | 03.10.2021 | Gwangju FC | - | Pohang Steelers | 2:3 |  |
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| 28. Ronde | 17.10.2021 | Gangwon FC | - | Gwangju FC | 2:1 |
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