| 1. Ronde | 28.02.2021 | Suwon Bluewings | - | Gwangju FC | 1:0 | ||||
| 2. Ronde | 06.03.2021 | Gwangju FC | - | Ulsan Hyundai FC | 0:1 | ||||
| 3. Ronde | 10.03.2021 | Daegu FC | - | Gwangju FC | 1:4 |  |
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| 4. Ronde | 13.03.2021 | Gwangju FC | - | Jeonbuk FC | 0:2 | ||||
| 5. Ronde | 17.03.2021 | FC Seoul | - | Gwangju FC | 2:1 | ||||
| 16. Ronde | 15.05.2021 | Incheon United | - | Gwangju FC | 2:1 | ||||
| 17. Ronde | 19.05.2021 | Gwangju FC | - | Jeju United | 0:0 | ||||
| 18. Ronde | 23.05.2021 | Gwangju FC | - | Suwon Bluewings | 3:4 | |
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| 19. Ronde | 30.05.2021 | Pohang Steelers | - | Gwangju FC | 1:0 |  |
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| 14. Ronde | 19.06.2021 | Gwangju FC | - | FC Seoul | 1:1 | |
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| 30. Ronde | 18.09.2021 | Gwangju FC | - | Jeju United | 0:3 Toeg. | ||||
| 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 | ||||
| 24. Ronde | 24.10.2021 | Suwon FC | - | Gwangju FC | 1:3 | |
Zuid-Korea