| 42. Round | 10/04/2024 | Birmingham City | - | Cardiff City | 0:1 | ||||
| 43. Round | 13/04/2024 | Millwall FC | - | Cardiff City | 3:1 | ||||
| 44. Round | 20/04/2024 | Cardiff City | - | Southampton FC | 2:1 |  |
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| 45. Round | 27/04/2024 | Cardiff City | - | Middlesbrough FC | 1:4 | ||||
| 46. Round | 04/05/2024 | Rotherham United | - | Cardiff City | 5:2 |
Wales