| 1. Round | 22/08/2020 | NK Tabor Sežana | - | FC Koper | 1:0 | ||||
| 27. Round | 14/03/2021 | FC Koper | - | NK Celje | 1:1 | ||||
| 28. Round | 17/04/2021 | FC Koper | - | NK Tabor Sežana | 1:0 | ||||
| 29. Round | 21/04/2021 | Olimpija Ljubljana | - | FC Koper | 6:2 | ||||
| 30. Round | 24/04/2021 | FC Koper | - | ND Gorica | 0:0 | ||||
| 34. Round | 16/05/2021 | NK Domžale | - | FC Koper | 3:1 | ||||
| 35. Round | 19/05/2021 | FC Koper | - | NK Maribor | 0:3 | ||||
| 36. Round | 22/05/2021 | NK Celje | - | FC Koper | 2:1 |
Slovenia