| 1. Round | 05/08/2023 | Charlton Athletic | - | Leyton Orient | 1:0 |  |
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| 10. Round | 30/09/2023 | Shrewsbury Town | - | Charlton Athletic | 0:0 | ||||
| 11. Round | 03/10/2023 | Charlton Athletic | - | Exeter City | 4:1 | ||||
| 12. Round | 07/10/2023 | Charlton Athletic | - | Blackpool FC | 2:2 | ||||
| 14. Round | 21/10/2023 | Charlton Athletic | - | Reading FC | 4:0 | ||||
| 15. Round | 24/10/2023 | Lincoln City | - | Charlton Athletic | 3:1 | ||||
| 16. Round | 28/10/2023 | Charlton Athletic | - | Bolton Wanderers | 0:2 | ||||
| 7. Round | 31/10/2023 | Wigan Athletic | - | Charlton Athletic | 2:3 | ||||
| 17. Round | 11/11/2023 | Portsmouth FC | - | Charlton Athletic | 2:2 | ||||
| 19. Round | 25/11/2023 | Carlisle United | - | Charlton Athletic | 1:1 | ||||
| 20. Round | 28/11/2023 | Charlton Athletic | - | Cheltenham Town | 2:1 | ||||
| 21. Round | 09/12/2023 | Charlton Athletic | - | Cambridge United | 2:2 | ||||
| 22. Round | 16/12/2023 | Barnsley FC | - | Charlton Athletic | 1:1 | |
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| 23. Round | 23/12/2023 | Charlton Athletic | - | Burton Albion | 1:1 | ||||
| 24. Round | 26/12/2023 | Leyton Orient | - | Charlton Athletic | 1:0 | ||||
| 26. Round | 01/01/2024 | Charlton Athletic | - | Oxford United | 1:2 |
Scotland