| 1. Round | 08/05/2020 | Jeonbuk FC | - | Suwon Bluewings | 1:0 | ||||
| 2. Round | 17/05/2020 | Suwon Bluewings | - | Ulsan Hyundai FC | 2:3 |  |
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| 3. Round | 23/05/2020 | Suwon Bluewings | - | Incheon United | 1:0 | ||||
| 4. Round | 30/05/2020 | Busan IPark | - | Suwon Bluewings | 0:0 | ||||
| 5. Round | 07/06/2020 | Suwon Bluewings | - | Gwangju FC | 0:1 | ||||
| 6. Round | 13/06/2020 | Suwon Bluewings | - | Gangwon FC | 2:2 |  |
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| 7. Round | 16/06/2020 | Seongnam FC | - | Suwon Bluewings | 0:2 | ||||
| 8. Round | 21/06/2020 | Daegu FC | - | Suwon Bluewings | 3:1 | |
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| 9. Round | 28/06/2020 | Suwon Bluewings | - | Sangju Sangmu | 0:1 | ||||
| 10. Round | 04/07/2020 | Suwon Bluewings | - | FC Seoul | 3:3 | ||||
| 11. Round | 11/07/2020 | Pohang Steelers | - | Suwon Bluewings | 1:1 | ||||
| 12. Round | 19/07/2020 | Suwon Bluewings | - | Seongnam FC | 0:1 | ||||
| 13. Round | 25/07/2020 | Gwangju FC | - | Suwon Bluewings | 0:1 | ||||
| 14. Round | 02/08/2020 | Suwon Bluewings | - | Daegu FC | 0:1 | ||||
| 15. Round | 08/08/2020 | Ulsan Hyundai FC | - | Suwon Bluewings | 0:0 | ||||
| 16. Round | 15/08/2020 | Suwon Bluewings | - | Jeonbuk FC | 1:3 | ||||
| 22. Round | 20/09/2020 | Gangwon FC | - | Suwon Bluewings | 1:2 | |
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South Korea