| 7. Journée | 20.10.2020 | Grimsby Town | - | Harrogate Town | 1:2 | ||||
| 19. Journée | 19.12.2020 | Grimsby Town | - | Scunthorpe United | 1:0 |  |
|||
| 4. Journée | 22.12.2020 | Grimsby Town | - | Bradford City | 1:2 | ||||
| 24. Journée | 16.01.2021 | Grimsby Town | - | Southend United | 0:0 | |
|||
| 25. Journée | 23.01.2021 | Scunthorpe United | - | Grimsby Town | 3:0 | ||||
| 27. Journée | 30.01.2021 | Grimsby Town | - | Stevenage FC | 1:2 | ||||
| 37. Journée | 20.03.2021 | Mansfield Town | - | Grimsby Town | 2:2 | ||||
| 26. Journée | 23.03.2021 | Barrow AFC | - | Grimsby Town | 0:1 |  |
|||
| 38. Journée | 27.03.2021 | Grimsby Town | - | Walsall FC | 1:1 | ||||
| 39. Journée | 02.04.2021 | Salford City | - | Grimsby Town | 1:1 | ||||
| 41. Journée | 10.04.2021 | Bradford City | - | Grimsby Town | 1:0 | ||||
| 42. Journée | 17.04.2021 | Grimsby Town | - | Bolton Wanderers | 2:1 | ||||
| 43. Journée | 20.04.2021 | Grimsby Town | - | Morecambe FC | 0:3 | ||||
| 44. Journée | 24.04.2021 | Oldham Athletic | - | Grimsby Town | 1:2 | ||||
| 30. Journée | 27.04.2021 | Exeter City | - | Grimsby Town | 3:2 | ||||
| 45. Journée | 01.05.2021 | Grimsby Town | - | Port Vale FC | 1:0 | ||||
| 46. Journée | 08.05.2021 | Cambridge United | - | Grimsby Town | 3:0 |
Angleterre