| 7. Round | 02/09/2023 | NK Domžale | - | FC Koper | 1:2 | ||||
| 8. Round | 17/09/2023 | FC Koper | - | NK Celje | 1:1 | ||||
| 14. Round | 28/10/2023 | FC Koper | - | NK Bravo | 1:1 | ||||
| 16. Round | 11/11/2023 | FC Koper | - | NK Domžale | 0:1 | ||||
| 3. Round | 26/11/2023 | NK Aluminij | - | FC Koper | 3:2 |  |
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| 19. Round | 10/12/2023 | FC Koper | - | Olimpija Ljubljana | 2:4 | ||||
| 17. Round | 16/12/2023 | NK Celje | - | FC Koper | 2:0 |
Serbia