| 1 | Wed 1 Aug 2018 | 81-9 v Ipswich TownGrays Athletic 1-9 Ipswich Town | Friendly |
| 2 | Sat 11 Aug 2018 | 8 2-0 v Witham TownWitham Town 0-2 Grays Athletic | Bostik League North Division |
| 3 | Sat 18 Aug 2018 | 81-1 v Canvey IslandGrays Athletic 1-1 Canvey Island | Bostik League North Division |
| 4 | Sat 25 Aug 2018 | 80-2 v FC RomaniaFC Romania 2-0 Grays Athletic | Emirates FA Cup Preliminary Round |
| 5 | Mon 27 Aug 2018 | 81-3 v AveleyAveley 3-1 Grays Athletic | Bostik League North Division |
| 6 | Sat 1 Sep 2018 | 80-5 v Maldon & TiptreeGrays Athletic 0-5 Maldon & Tiptree | Bostik League North Division |
| 7 | Tue 11 Sep 2018 | 120-0 v Witham TownWitham Town 0-0 Grays Athletic | Velocity Trophy First Round |
| 8 | Sat 15 Sep 2018 | 141-0 v Brentwood TownBrentwood Town 0-1 Grays Athletic | Bostik League North Division |
| 9 | Sat 22 Sep 2018 | 81-1 v Mildenhall TownGrays Athletic 1-1 Mildenhall Town | Bostik League North Division |
| 10 | Wed 26 Sep 2018 | 81-1 v Bowers & PitseaGrays Athletic 1-1 Bowers & Pitsea | Bostik League North Division |
| 11 | Sat 29 Sep 2018 | 143-1 v Felixstowe & Walton UnitedFelixstowe & Walton United 1-3 Grays Athletic | Buildbase FA Trophy Extra Preliminary Round |
| 12 | Sat 6 Oct 2018 | 124-3 v Great Wakering RoversGrays Athletic 4-3 Great Wakering Rovers | Bostik League North Division |
| 13 | Sat 3 Nov 2018 | 123-2 v TilburyGrays Athletic 3-2 Tilbury | Bostik League North Division |
| 14 | Sat 17 Nov 2018 | 125-1 v Dereham TownGrays Athletic 5-1 Dereham Town | Bostik League North Division |
| 15 | Sat 8 Dec 2018 | 81-2 v BarkingBarking 2-1 Grays Athletic | Bostik League North Division |
| 16 | Sat 19 Jan 2019 | 160-1 v Witham TownGrays Athletic 0-1 Witham Town | Bostik League North Division |
| 17 | Wed 23 Jan 2019 | 123-4 v AveleyGrays Athletic 3-4 Aveley | Bostik League North Division |
| 18 | Sat 26 Jan 2019 | 150-2 v Canvey IslandCanvey Island 2-0 Grays Athletic | Bostik League North Division |
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