| 27. Jornada | 11.01.2020 | Leyton Orient | - | Grimsby Town | 1:1 |  |
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| 28. Jornada | 18.01.2020 | Grimsby Town | - | Exeter City | 0:1 | ||||
| 29. Jornada | 25.01.2020 | Crawley Town | - | Grimsby Town | 3:2 | ||||
| 30. Jornada | 28.01.2020 | Grimsby Town | - | Stevenage FC | 3:1 | |
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| 31. Jornada | 01.02.2020 | Grimsby Town | - | Forest Green Rovers | 2:2 | ||||
| 32. Jornada | 08.02.2020 | Bradford City | - | Grimsby Town | 1:1 | |
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| 33. Jornada | 11.02.2020 | Colchester United | - | Grimsby Town | 2:3 | ||||
| 34. Jornada | 15.02.2020 | Grimsby Town | - | Morecambe FC | 2:1 | ||||
| 35. Jornada | 22.02.2020 | Swindon Town | - | Grimsby Town | 3:1 | |
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| 18. Jornada | 25.02.2020 | Grimsby Town | - | Newport County | 4:2 | ||||
| 36. Jornada | 29.02.2020 | Grimsby Town | - | Northampton Town | 0:3 | ||||
| 17. Jornada | 03.03.2020 | Plymouth Argyle | - | Grimsby Town | 3:0 | ||||
| 37. Jornada | 07.03.2020 | Scunthorpe United | - | Grimsby Town | 0:2 |
Inglaterra