| 3. Journée | 10.03.2021 | Suwon FC | - | Suwon Bluewings | 0:0 | ||||
| 4. Journée | 14.03.2021 | Suwon FC | - | Seongnam FC | 1:2 | ||||
| 5. Journée | 17.03.2021 | Incheon United | - | Suwon FC | 4:1 |  |
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| 6. Journée | 20.03.2021 | Jeonbuk FC | - | Suwon FC | 1:1 | ||||
| 7. Journée | 04.04.2021 | Suwon FC | - | Jeju United | 2:1 | ||||
| 8. Journée | 07.04.2021 | Gwangju FC | - | Suwon FC | 2:0 | |
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| 9. Journée | 11.04.2021 | Suwon FC | - | Ulsan Hyundai FC | 0:1 | ||||
| 15. Journée | 11.05.2021 | Suwon FC | - | Gwangju FC | 2:1 | ||||
| 18. Journée | 21.05.2021 | Suwon FC | - | Incheon United | 2:2 | ||||
| 27. Journée | 25.08.2021 | Suwon Bluewings | - | Suwon FC | 0:3 | ||||
| 28. Journée | 28.08.2021 | Jeonbuk FC | - | Suwon FC | 2:2 |
Corée du Sud