| 3. Round | 18/08/2018 | Grimsby Town | - | Lincoln City | 1:1 | ||||
| 4. Round | 21/08/2018 | Milton Keynes Dons | - | Grimsby Town | 1:1 |  |
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| 5. Round | 25/08/2018 | Newport County | - | Grimsby Town | 1:0 | ||||
| 6. Round | 01/09/2018 | Grimsby Town | - | Yeovil Town | 0:1 | ||||
| 7. Round | 08/09/2018 | Bury FC | - | Grimsby Town | 4:0 | ||||
| 8. Round | 15/09/2018 | Grimsby Town | - | Oldham Athletic | 0:3 | ||||
| 15. Round | 23/10/2018 | Grimsby Town | - | Colchester United | 1:0 | ||||
| 17. Round | 03/11/2018 | Cambridge United | - | Grimsby Town | 1:0 | ||||
| 13. Round | 06/11/2018 | Mansfield Town | - | Grimsby Town | 2:1 | ||||
| 28. Round | 12/01/2019 | Grimsby Town | - | Macclesfield Town | 0:2 |
England
Nigeria