5. Ronde | 17.03.2021 | Gangwon FC | - | Seongnam FC | 0:0 | ||||
6. Ronde | 21.03.2021 | Seongnam FC | - | Pohang Steelers | 2:1 | ||||
7. Ronde | 03.04.2021 | Seongnam FC | - | Ulsan Hyundai FC | 0:1 | ||||
9. Ronde | 10.04.2021 | Seongnam FC | - | Gwangju FC | 2:0 | ||||
10. Ronde | 18.04.2021 | Jeonbuk FC | - | Seongnam FC | 1:0 | ||||
12. Ronde | 25.04.2021 | Seongnam FC | - | Suwon Bluewings | 0:1 | ||||
13. Ronde | 30.04.2021 | FC Seoul | - | Seongnam FC | 2:2 | ||||
18. Ronde | 22.05.2021 | Jeju United | - | Seongnam FC | 2:2 |