| 2. Round | 14/08/2021 | Blackpool FC | - | Cardiff City | 0:2 | ||||
| 3. Round | 17/08/2021 | Peterborough United | - | Cardiff City | 2:2 | ||||
| 4. Round | 21/08/2021 | Cardiff City | - | Millwall FC | 3:1 |  |
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| 5. Round | 28/08/2021 | Cardiff City | - | Bristol City | 1:2 |  |
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| 6. Round | 12/09/2021 | Nottingham Forest | - | Cardiff City | 1:2 | ||||
| 7. Round | 15/09/2021 | Coventry City | - | Cardiff City | 1:0 | ||||
| 8. Round | 18/09/2021 | Cardiff City | - | AFC Bournemouth | 0:1 | ||||
| 9. Round | 25/09/2021 | Blackburn Rovers | - | Cardiff City | 5:1 | |
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| 10. Round | 28/09/2021 | Cardiff City | - | West Bromwich Albion | 0:4 | ||||
| 12. Round | 17/10/2021 | Swansea City | - | Cardiff City | 3:0 | ||||
| 15. Round | 30/10/2021 | Stoke City | - | Cardiff City | 3:3 | ||||
| 16. Round | 03/11/2021 | Cardiff City | - | Queens Park Rangers | 0:1 | ||||
| 20. Round | 27/11/2021 | Luton Town | - | Cardiff City | 1:2 | |
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| 21. Round | 04/12/2021 | Cardiff City | - | Sheffield United | 2:3 |  |
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| 29. Round | 30/01/2022 | Cardiff City | - | Nottingham Forest | 2:1 | ||||
| 30. Round | 02/02/2022 | Barnsley FC | - | Cardiff City | 0:1 |
England
Ireland 
