| 1 | Sat 21 Jul 2018 | 82-0 v Cambridge UnitedCambridge United 0-2 Millwall | Friendly |
| 2 | Tue 14 Aug 2018 | 80-0 v GillinghamMillwall 0-0 Gillingham | Carabao Cup First Round |
| 3 | Tue 21 Aug 2018 | 32 2-1 v Bristol RoversBristol Rovers 1-2 Portsmouth | Sky Bet League One |
| 4 | Sat 25 Aug 2018 | 32 0-0 v Doncaster RoversDoncaster Rovers 0-0 Portsmouth | Sky Bet League One |
| 5 | Sat 1 Sep 2018 | 323-0 v Plymouth ArgylePortsmouth 3-0 Plymouth Argyle | Sky Bet League One |
| 6 | Sat 8 Sep 2018 | 321-1 v Shrewsbury TownPortsmouth 1-1 Shrewsbury Town | Sky Bet League One |
| 7 | Sat 15 Sep 2018 | 322-1 v Peterborough UnitedPeterborough United 1-2 Portsmouth | Sky Bet League One |
| 8 | Sat 29 Sep 2018 | 323-1 v RochdaleRochdale 1-3 Portsmouth | Sky Bet League One |
| 9 | Tue 2 Oct 2018 | 321-0 v Coventry CityCoventry City 0-1 Portsmouth | Sky Bet League One |
| 10 | Sat 6 Oct 2018 | 320-2 v GillinghamPortsmouth 0-2 Gillingham | Sky Bet League One |
| 11 | Tue 9 Oct 2018 | 321-0 v Crawley TownCrawley Town 0-1 Portsmouth | Checkatrade Trophy Southern Group A |
| 12 | Sat 13 Oct 2018 | 322-1 v AFC WimbledonAFC Wimbledon 1-2 Portsmouth | Sky Bet League One |
| 13 | Sat 20 Oct 2018 | 321-0 v Fleetwood TownPortsmouth 1-0 Fleetwood Town | Sky Bet League One |
| 14 | Tue 23 Oct 2018 | 322-2 v Burton AlbionPortsmouth 2-2 Burton Albion | Sky Bet League One |
| 15 | Sat 27 Oct 2018 | 321-1 v Accrington StanleyAccrington Stanley 1-1 Portsmouth | Sky Bet League One |
| 16 | Sat 3 Nov 2018 | 321-0 v Bradford CityBradford City 0-1 Portsmouth | Sky Bet League One |
| 17 | Sat 10 Nov 2018 | 324-0 v Maidenhead UnitedMaidenhead United 0-4 Portsmouth | Emirates FA Cup First Round |
| 18 | Sat 24 Nov 2018 | 322-1 v Scunthorpe UnitedScunthorpe United 1-2 Portsmouth | Sky Bet League One |
| 19 | Tue 27 Nov 2018 | 322-0 v WalsallPortsmouth 2-0 Walsall | Sky Bet League One |
| 20 | Sun 2 Dec 2018 | 321-0 v RochdaleRochdale 0-1 Portsmouth | Emirates FA Cup Second Round |
| 21 | Sat 8 Dec 2018 | 32 2-0 v Southend UnitedPortsmouth 2-0 Southend United | Sky Bet League One |
| 22 | Tue 11 Dec 2018 | 32 1-2 v Charlton AthleticPortsmouth 1-2 Charlton Athletic | Sky Bet League One |
| 23 | Sat 15 Dec 2018 | 321-1 v BarnsleyBarnsley 1-1 Portsmouth | Sky Bet League One |
| 24 | Sat 22 Dec 2018 | 323-1 v SunderlandPortsmouth 3-1 Sunderland | Sky Bet League One |
| 25 | Wed 26 Dec 2018 | 320-2 v GillinghamGillingham 2-0 Portsmouth | Sky Bet League One |
| 26 | Sat 29 Dec 2018 | 325-2 v Fleetwood TownFleetwood Town 2-5 Portsmouth | Sky Bet League One |
| 27 | Tue 1 Jan 2019 | 322-1 v AFC WimbledonPortsmouth 2-1 AFC Wimbledon | Sky Bet League One |
| 28 | Sat 5 Jan 2019 | 321-0 v Norwich CityNorwich City 0-1 Portsmouth | Emirates FA Cup Third Round |
| 29 | Sat 19 Jan 2019 | 1-1 v MiddlesbroughMiddlesbrough 1-1 Millwall | Sky Bet Championship |
| 30 | Sat 2 Feb 2019 | 0-0 v Rotherham UnitedMillwall 0-0 Rotherham United | Sky Bet Championship |
| 31 | Sat 9 Feb 2019 | 0-1 v Swansea CitySwansea City 1-0 Millwall | Sky Bet Championship |
| 32 | Sat 23 Feb 2019 | 1-3 v Preston North EndMillwall 1-3 Preston North End | Sky Bet Championship |
| 33 | Tue 26 Feb 2019 | 1-2 v Hull CityHull City 2-1 Millwall | Sky Bet Championship |
| 34 | Sat 2 Mar 2019 | 1-3 v Norwich CityMillwall 1-3 Norwich City | Sky Bet Championship |
| 35 | Sat 9 Mar 2019 | 1-2 v Bolton WanderersBolton Wanderers 2-1 Millwall | Sky Bet Championship |
| 36 | Wed 13 Mar 2019 | 2-0 v Birmingham CityBirmingham City 0-2 Millwall | Sky Bet Championship |
| 37 | Sat 30 Mar 2019 | 2-3 v Leeds UnitedLeeds United 3-2 Millwall | Sky Bet Championship |
| 38 | Sat 6 Apr 2019 | 2-0 v West Bromwich AlbionMillwall 2-0 West Bromwich Albion | Sky Bet Championship |
| 39 | Wed 10 Apr 2019 | 0-0 v Queens Park RangersMillwall 0-0 Queens Park Rangers | Sky Bet Championship |
| 40 | Sat 13 Apr 2019 | 1-1 v Sheffield UnitedSheffield United 1-1 Millwall | Sky Bet Championship |
| 41 | Fri 19 Apr 2019 | 1-1 v BrentfordMillwall 1-1 Brentford | Sky Bet Championship |
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