| 1 | Tue 17 Jul 2018 | 90-1 v SunderlandGrimsby Town 0-1 Sunderland | Friendly |
| 2 | Sat 4 Aug 2018 | 91-4 v Forest Green RoversGrimsby Town 1-4 Forest Green Rovers | Sky Bet League Two |
| 3 | Sat 11 Aug 2018 | 92-0 v Macclesfield TownMacclesfield Town 0-2 Grimsby Town | Sky Bet League Two |
| 4 | Tue 14 Aug 2018 | 90-2 v RochdaleGrimsby Town 0-2 Rochdale | Carabao Cup First Round |
| 5 | Sat 18 Aug 2018 | 91-1 v Lincoln CityGrimsby Town 1-1 Lincoln City | Sky Bet League Two |
| 6 | Sat 25 Aug 2018 | 90-1 v Newport CountyNewport County 1-0 Grimsby Town | Sky Bet League Two |
| 7 | Sat 1 Sep 2018 | 90-1 v Yeovil TownGrimsby Town 0-1 Yeovil Town | Sky Bet League Two |
| 8 | Tue 4 Sep 2018 | 92-1 v Notts CountyGrimsby Town 2-1 Notts County | Checkatrade Trophy Northern Group G |
| 9 | Sat 8 Sep 2018 | 90-4 v BuryBury 4-0 Grimsby Town | Sky Bet League Two |
| 10 | Sat 22 Sep 2018 | 90-1 v StevenageStevenage 1-0 Grimsby Town | Sky Bet League Two |
| 11 | Tue 2 Oct 2018 | 91-0 v Carlisle UnitedCarlisle United 0-1 Grimsby Town | Sky Bet League Two |
| 12 | Sat 6 Oct 2018 | 92-0 v Port ValeGrimsby Town 2-0 Port Vale | Sky Bet League Two |
| 13 | Tue 9 Oct 2018 | 90-2 v Doncaster RoversDoncaster Rovers 2-0 Grimsby Town | Checkatrade Trophy Northern Group G |
| 14 | Sat 20 Oct 2018 | 90-0 v Exeter CityGrimsby Town 0-0 Exeter City | Sky Bet League Two |
| 15 | Tue 23 Oct 2018 | 91-0 v Colchester UnitedGrimsby Town 1-0 Colchester United | Sky Bet League Two |
| 16 | Sat 27 Oct 2018 | 90-2 v Crewe AlexandraCrewe Alexandra 2-0 Grimsby Town | Sky Bet League Two |
| 17 | Sat 3 Nov 2018 | 90-1 v Cambridge UnitedCambridge United 1-0 Grimsby Town | Sky Bet League Two |
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