1. Round | 09/05/2020 | Gwangju FC | - | Seongnam FC | 0:2 | ||||
5. Round | 07/06/2020 | Seongnam FC | - | Daegu FC | 1:2 | ||||
9. Round | 27/06/2020 | Busan IPark | - | Seongnam FC | 1:1 | ||||
10. Round | 05/07/2020 | Seongnam FC | - | Pohang Steelers | 0:4 | ||||
11. Round | 11/07/2020 | Jeonbuk FC | - | Seongnam FC | 2:2 |