| 9. Round | 31/10/2020 | Queens Park Rangers | - | Cardiff City | 3:2 | ||||
| 13. Round | 25/11/2020 | Coventry City | - | Cardiff City | 1:0 | ||||
| 14. Round | 28/11/2020 | Cardiff City | - | Luton Town | 4:0 |  |
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| 15. Round | 01/12/2020 | Cardiff City | - | Huddersfield Town | 3:0 | ||||
| 16. Round | 05/12/2020 | Watford FC | - | Cardiff City | 0:1 | ||||
| 17. Round | 08/12/2020 | Stoke City | - | Cardiff City | 1:2 | ||||
| 18. Round | 12/12/2020 | Cardiff City | - | Swansea City | 0:2 | ||||
| 19. Round | 16/12/2020 | Cardiff City | - | Birmingham City | 3:2 | ||||
| 20. Round | 19/12/2020 | Norwich City | - | Cardiff City | 2:0 | ||||
| 21. Round | 26/12/2020 | Cardiff City | - | Brentford FC | 2:3 | ||||
| 22. Round | 29/12/2020 | Wycombe Wanderers | - | Cardiff City | 2:1 | ||||
| 25. Round | 20/01/2021 | Cardiff City | - | Queens Park Rangers | 0:1 | ||||
| 31. Round | 20/02/2021 | Cardiff City | - | Preston North End | 4:0 | |
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| 39. Round | 02/04/2021 | Cardiff City | - | Nottingham Forest | 0:1 | ||||
| 45. Round | 01/05/2021 | Birmingham City | - | Cardiff City | 0:4 | |
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| 46. Round | 08/05/2021 | Cardiff City | - | Rotherham United | 1:1 |
Wales