| 27. Round | 22/01/2019 | Forest Green Rovers | - | Grimsby Town | 3:0 | ||||
| 30. Round | 26/01/2019 | Grimsby Town | - | Milton Keynes Dons | 1:0 | ||||
| 41. Round | 06/04/2019 | Grimsby Town | - | Stevenage FC | 0:2 | ||||
| 42. Round | 13/04/2019 | Morecambe FC | - | Grimsby Town | 1:1 | ||||
| 43. Round | 19/04/2019 | Colchester United | - | Grimsby Town | 1:0 | ||||
| 44. Round | 22/04/2019 | Grimsby Town | - | Carlisle United | 1:0 |  |
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| 45. Round | 27/04/2019 | Notts County | - | Grimsby Town | 2:1 | ||||
| 46. Round | 04/05/2019 | Grimsby Town | - | Crewe Alexandra | 2:0 | |
England