| 1. Ronde | 27.02.2021 | Daegu FC | - | Suwon FC | 1:1 | ||||
| 2. Ronde | 07.03.2021 | FC Seoul | - | Suwon FC | 3:0 | ||||
| 3. Ronde | 10.03.2021 | Suwon FC | - | Suwon Bluewings | 0:0 | ||||
| 4. Ronde | 14.03.2021 | Suwon FC | - | Seongnam FC | 1:2 |  |
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| 5. Ronde | 17.03.2021 | Incheon United | - | Suwon FC | 4:1 | ||||
| 6. Ronde | 20.03.2021 | Jeonbuk FC | - | Suwon FC | 1:1 | ||||
| 7. Ronde | 04.04.2021 | Suwon FC | - | Jeju United | 2:1 | ||||
| 9. Ronde | 11.04.2021 | Suwon FC | - | Ulsan Hyundai FC | 0:1 | ||||
| 10. Ronde | 17.04.2021 | Suwon FC | - | Gangwon FC | 2:1 | ||||
| 12. Ronde | 25.04.2021 | Suwon FC | - | FC Seoul | 1:1 | ||||
| 13. Ronde | 01.05.2021 | Suwon FC | - | Daegu FC | 2:4 | ||||
| 17. Ronde | 18.05.2021 | Suwon FC | - | Pohang Steelers | 3:4 | ||||
| 18. Ronde | 21.05.2021 | Suwon FC | - | Incheon United | 2:2 |
Zuid-Korea