1. Round | 09/05/2020 | Gwangju FC | - | Seongnam FC | 0:2 | ||||
2. Round | 17/05/2020 | Seongnam FC | - | Incheon United | 0:0 | ||||
4. Round | 31/05/2020 | FC Seoul | - | Seongnam FC | 0:1 | ||||
5. Round | 07/06/2020 | Seongnam FC | - | Daegu FC | 1:2 | ||||
9. Round | 27/06/2020 | Busan IPark | - | Seongnam FC | 1:1 |