| 2. Round | 16/05/2020 | Busan IPark | - | Jeonbuk FC | 1:2 | ||||
| 3. Round | 24/05/2020 | Ulsan Hyundai FC | - | Busan IPark | 1:1 |  |
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| 4. Round | 30/05/2020 | Busan IPark | - | Suwon Bluewings | 0:0 | ||||
| 5. Round | 06/06/2020 | Busan IPark | - | Sangju Sangmu | 1:1 | |
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| 6. Round | 14/06/2020 | Gwangju FC | - | Busan IPark | 3:1 | ||||
| 7. Round | 17/06/2020 | Busan IPark | - | Daegu FC | 2:2 | |
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| 8. Round | 21/06/2020 | Incheon United | - | Busan IPark | 0:1 | ||||
| 9. Round | 27/06/2020 | Busan IPark | - | Seongnam FC | 1:1 | ||||
| 10. Round | 04/07/2020 | Gangwon FC | - | Busan IPark | 2:4 | |
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| 11. Round | 10/07/2020 | Busan IPark | - | FC Seoul | 2:0 | ||||
| 12. Round | 18/07/2020 | Busan IPark | - | Gwangju FC | 0:0 | ||||
| 13. Round | 26/07/2020 | Daegu FC | - | Busan IPark | 3:0 | ||||
| 15. Round | 09/08/2020 | Sangju Sangmu | - | Busan IPark | 2:0 | ||||
| 16. Round | 14/08/2020 | Seongnam FC | - | Busan IPark | 1:1 | ||||
| 17. Round | 22/08/2020 | Busan IPark | - | Pohang Steelers | 2:1 | |
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| 18. Round | 29/08/2020 | Suwon Bluewings | - | Busan IPark | 3:1 | |
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| 20. Round | 13/09/2020 | Busan IPark | - | Incheon United | 0:0 |
South Korea