| 1. Journée | 27.02.2021 | Daegu FC | - | Suwon FC | 1:1 | ||||
| 2. Journée | 07.03.2021 | FC Seoul | - | Suwon FC | 3:0 | ||||
| 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 | ||||
| 18. Journée | 21.05.2021 | Suwon FC | - | Incheon United | 2:2 |  |
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| 19. Journée | 29.05.2021 | Seongnam FC | - | Suwon FC | 2:3 | ||||
| 20. Journée | 20.07.2021 | Suwon Bluewings | - | Suwon FC | 1:2 | ||||
| 21. Journée | 25.07.2021 | Ulsan Hyundai FC | - | Suwon FC | 2:5 | ||||
| 22. Journée | 04.08.2021 | Suwon FC | - | Jeonbuk FC | 1:0 | ||||
| 23. Journée | 08.08.2021 | Incheon United | - | Suwon FC | 0:0 | ||||
| 25. Journée | 15.08.2021 | Pohang Steelers | - | Suwon FC | 3:1 | ||||
| 26. Journée | 21.08.2021 | Suwon FC | - | Jeju United | 1:0 | |
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| 27. Journée | 25.08.2021 | Suwon Bluewings | - | Suwon FC | 0:3 | ||||
| 28. Journée | 28.08.2021 | Jeonbuk FC | - | Suwon FC | 2:2 | |
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| 31. Journée | 22.09.2021 | Suwon FC | - | Seongnam FC | 3:1 | ||||
| 32. Journée | 25.09.2021 | Daegu FC | - | Suwon FC | 0:0 | ||||
| 33. Journée | 02.10.2021 | Suwon FC | - | Ulsan Hyundai FC | 0:3 | |
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| 24. Journée | 24.10.2021 | Suwon FC | - | Gwangju FC | 1:3 |
Corée du Sud