| 1. Ronde | 05.08.2023 | Grimsby Town | - | AFC Wimbledon | 0:0 | ||||
| 2. Ronde | 12.08.2023 | Notts County | - | Grimsby Town | 3:2 | ||||
| 4. Ronde | 19.08.2023 | Grimsby Town | - | Mansfield Town | 1:1 | ||||
| 10. Ronde | 30.09.2023 | Swindon Town | - | Grimsby Town | 2:1 | ||||
| 17. Ronde | 11.11.2023 | Grimsby Town | - | Morecambe FC | 3:2 |  |
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| 18. Ronde | 18.11.2023 | Forest Green Rovers | - | Grimsby Town | 2:2 | ||||
| 20. Ronde | 28.11.2023 | Milton Keynes Dons | - | Grimsby Town | 1:1 | ||||
| 21. Ronde | 09.12.2023 | Grimsby Town | - | Crewe Alexandra | 2:1 | ||||
| 22. Ronde | 16.12.2023 | Newport County | - | Grimsby Town | 1:1 | ||||
| 23. Ronde | 23.12.2023 | Grimsby Town | - | Harrogate Town | 1:2 | ||||
| 24. Ronde | 26.12.2023 | Mansfield Town | - | Grimsby Town | 2:0 | ||||
| 26. Ronde | 01.01.2024 | Grimsby Town | - | Walsall FC | 1:6 |
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