| 4. Round | 06/08/2021 | NK Bravo | - | NK Celje | 2:1 | ||||
| 5. Round | 13/08/2021 | NK Celje | - | NK Aluminij | 0:0 | ||||
| 6. Round | 22/08/2021 | NŠ Mura | - | NK Celje | 1:0 | ||||
| 7. Round | 27/08/2021 | NK Celje | - | NK Radomlje | 2:0 | ||||
| 8. Round | 11/09/2021 | NK Celje | - | NK Domžale | 3:1 | ||||
| 9. Round | 18/09/2021 | Olimpija Ljubljana | - | NK Celje | 1:0 | ||||
| 10. Round | 23/09/2021 | NK Maribor | - | NK Celje | 2:0 | ||||
| 11. Round | 27/09/2021 | NK Celje | - | NK Tabor Sežana | 2:2 | ||||
| 12. Round | 03/10/2021 | FC Koper | - | NK Celje | 2:2 | ||||
| 13. Round | 18/10/2021 | NK Celje | - | NK Bravo | 1:0 | ||||
| 14. Round | 23/10/2021 | NK Aluminij | - | NK Celje | 0:1 |  |
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| 15. Round | 31/10/2021 | NK Celje | - | NŠ Mura | 1:0 | ||||
| 16. Round | 05/11/2021 | NK Radomlje | - | NK Celje | 3:2 |
Slovenia