| 1. Round | 05/08/2023 | Stoke City | - | Rotherham United | 4:1 | ||||
| 2. Round | 12/08/2023 | Rotherham United | - | Blackburn Rovers | 2:2 |  |
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| 4. Round | 26/08/2023 | Rotherham United | - | Leicester City | 1:2 | |
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| 5. Round | 02/09/2023 | Rotherham United | - | Norwich City | 2:1 | ||||
| 6. Round | 16/09/2023 | Huddersfield Town | - | Rotherham United | 2:0 | ||||
| 7. Round | 20/09/2023 | Millwall FC | - | Rotherham United | 3:0 | ||||
| 8. Round | 23/09/2023 | Rotherham United | - | Preston North End | 1:1 | ||||
| 9. Round | 30/09/2023 | Cardiff City | - | Rotherham United | 2:0 | ||||
| 10. Round | 04/10/2023 | Rotherham United | - | Bristol City | 1:2 | ||||
| 11. Round | 07/10/2023 | Southampton FC | - | Rotherham United | 1:1 | ||||
| 13. Round | 25/10/2023 | Rotherham United | - | Coventry City | 2:0 | ||||
| 14. Round | 29/10/2023 | Sheffield Wednesday | - | Rotherham United | 2:0 | ||||
| 15. Round | 04/11/2023 | Rotherham United | - | Queens Park Rangers | 1:1 | ||||
| 12. Round | 07/11/2023 | Rotherham United | - | Ipswich Town | 2:2 | ||||
| 16. Round | 11/11/2023 | Watford FC | - | Rotherham United | 5:0 | ||||
| 17. Round | 24/11/2023 | Rotherham United | - | Leeds United | 1:1 |
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