| 1. Ronde | 28.02.2021 | Suwon Bluewings | - | Gwangju FC | 1:0 | ||||
| 2. Ronde | 07.03.2021 | Suwon Bluewings | - | Seongnam FC | 1:0 | ||||
| 3. Ronde | 10.03.2021 | Suwon FC | - | Suwon Bluewings | 0:0 | ||||
| 4. Ronde | 14.03.2021 | Suwon Bluewings | - | Gangwon FC | 1:1 | ||||
| 5. Ronde | 17.03.2021 | Pohang Steelers | - | Suwon Bluewings | 0:3 |  |
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| 6. Ronde | 21.03.2021 | Suwon Bluewings | - | FC Seoul | 1:2 | ||||
| 16. Ronde | 16.05.2021 | Ulsan Hyundai FC | - | Suwon Bluewings | 1:1 | ||||
| 17. Ronde | 19.05.2021 | Suwon Bluewings | - | Daegu FC | 1:1 | ||||
| 26. Ronde | 22.08.2021 | Ulsan Hyundai FC | - | Suwon Bluewings | 3:1 | ||||
| 27. Ronde | 25.08.2021 | Suwon Bluewings | - | Suwon FC | 0:3 | ||||
| 28. Ronde | 28.08.2021 | Pohang Steelers | - | Suwon Bluewings | 0:0 |
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