| 1 | 4/8/2018 | 41-4 v Forest Green RoversGrimsby Town 1-4 Forest Green Rovers | Sky Bet League Two |
| 2 | 11/8/2018 | 42-0 v Macclesfield TownMacclesfield Town 0-2 Grimsby Town | Sky Bet League Two |
| 3 | 14/8/2018 | 4 0-2 v RochdaleGrimsby Town 0-2 Rochdale | Carabao Cup First Round |
| 4 | 18/8/2018 | 41-1 v Lincoln CityGrimsby Town 1-1 Lincoln City | Sky Bet League Two |
| 5 | 25/8/2018 | 4 0-1 v Newport CountyNewport County 1-0 Grimsby Town | Sky Bet League Two |
| 6 | 1/9/2018 | 40-1 v Yeovil TownGrimsby Town 0-1 Yeovil Town | Sky Bet League Two |
| 7 | 4/9/2018 | 42-1 v Notts CountyGrimsby Town 2-1 Notts County | Checkatrade Trophy Northern Group G |
| 8 | 8/9/2018 | 40-4 v BuryBury 4-0 Grimsby Town | Sky Bet League Two |
| 9 | 22/9/2018 | 40-1 v StevenageStevenage 1-0 Grimsby Town | Sky Bet League Two |
| 10 | 29/9/2018 | 41-2 v MorecambeGrimsby Town 1-2 Morecambe | Sky Bet League Two |
| 11 | 9/10/2018 | 40-2 v Doncaster RoversDoncaster Rovers 2-0 Grimsby Town | Checkatrade Trophy Northern Group G |
| 12 | 20/10/2018 | 40-0 v Exeter CityGrimsby Town 0-0 Exeter City | Sky Bet League Two |
| 13 | 23/10/2018 | 41-0 v Colchester UnitedGrimsby Town 1-0 Colchester United | Sky Bet League Two |
| 14 | 27/10/2018 | 40-2 v Crewe AlexandraCrewe Alexandra 2-0 Grimsby Town | Sky Bet League Two |
| 15 | 6/11/2018 | 41-2 v Mansfield TownMansfield Town 2-1 Grimsby Town | Sky Bet League Two |
| 16 | 10/11/2018 | 4 3-1 v Milton Keynes DonsGrimsby Town 3-1 Milton Keynes Dons | Emirates FA Cup First Round |
| 17 | 17/11/2018 | 41-0 v Crawley TownGrimsby Town 1-0 Crawley Town | Sky Bet League Two |
| 18 | 24/11/2018 | 42-2 v Northampton TownNorthampton Town 2-2 Grimsby Town | Sky Bet League Two |
| 19 | 27/11/2018 | 45-2 v Tranmere RoversGrimsby Town 5-2 Tranmere Rovers | Sky Bet League Two |
| 20 | 2/12/2018 | 42-0 v ChesterfieldChesterfield 0-2 Grimsby Town | Emirates FA Cup Second Round |
| 21 | 8/12/2018 | 41-2 v Cheltenham TownCheltenham Town 2-1 Grimsby Town | Sky Bet League Two |
| 22 | 15/12/2018 | 42-1 v Swindon TownGrimsby Town 2-1 Swindon Town | Sky Bet League Two |
| 23 | 26/12/2018 | 41-0 v Port ValePort Vale 0-1 Grimsby Town | Sky Bet League Two |
| 24 | 29/12/2018 | 42-1 v Exeter CityExeter City 1-2 Grimsby Town | Sky Bet League Two |
| 25 | 1/1/2019 | 40-1 v Mansfield TownGrimsby Town 0-1 Mansfield Town | Sky Bet League Two |
| 26 | 5/1/2019 | 40-1 v Crystal PalaceCrystal Palace 1-0 Grimsby Town | Emirates FA Cup Third Round |
| 27 | 12/1/2019 | 40-2 v Macclesfield TownGrimsby Town 0-2 Macclesfield Town | Sky Bet League Two |
| 28 | 19/1/2019 | 40-1 v Lincoln CityLincoln City 1-0 Grimsby Town | Sky Bet League Two |
| 29 | 26/1/2019 | 41-0 v Milton Keynes DonsGrimsby Town 1-0 Milton Keynes Dons | Sky Bet League Two |
| 30 | 2/2/2019 | 43-0 v Newport CountyGrimsby Town 3-0 Newport County | Sky Bet League Two |
| 31 | 9/2/2019 | 43-1 v Yeovil TownYeovil Town 1-3 Grimsby Town | Sky Bet League Two |