| 1 | Wed 1 Aug 2018 | 181-9 v Ipswich TownGrays Athletic 1-9 Ipswich Town | Friendly |
| 2 | Sat 11 Aug 2018 | 52-0 v Witham TownWitham Town 0-2 Grays Athletic | Bostik League North Division |
| 3 | Sat 18 Aug 2018 | 51-1 v Canvey IslandGrays Athletic 1-1 Canvey Island | Bostik League North Division |
| 4 | Sat 25 Aug 2018 | 50-2 v FC RomaniaFC Romania 2-0 Grays Athletic | Emirates FA Cup Preliminary Round |
| 5 | Mon 27 Aug 2018 | 51-3 v AveleyAveley 3-1 Grays Athletic | Bostik League North Division |
| 6 | Sat 1 Sep 2018 | 50-5 v Maldon & TiptreeGrays Athletic 0-5 Maldon & Tiptree | Bostik League North Division |
| 7 | Tue 11 Sep 2018 | 70-0 v Witham TownWitham Town 0-0 Grays Athletic | Velocity Trophy First Round |
| 8 | Sat 15 Sep 2018 | 51-0 v Brentwood TownBrentwood Town 0-1 Grays Athletic | Bostik League North Division |
| 9 | Sat 22 Sep 2018 | 51-1 v Mildenhall TownGrays Athletic 1-1 Mildenhall Town | Bostik League North Division |
| 10 | Wed 26 Sep 2018 | 51-1 v Bowers & PitseaGrays Athletic 1-1 Bowers & Pitsea | Bostik League North Division |
| 11 | Sat 29 Sep 2018 | 5 3-1 v Felixstowe & Walton UnitedFelixstowe & Walton United 1-3 Grays Athletic | Buildbase FA Trophy Extra Preliminary Round |
| 12 | Sat 6 Oct 2018 | 54-3 v Great Wakering RoversGrays Athletic 4-3 Great Wakering Rovers | Bostik League North Division |
| 13 | Sat 13 Oct 2018 | 2 2-4 v Sevenoaks TownGrays Athletic 2-4 Sevenoaks Town | Buildbase FA Trophy Preliminary Round |
| 14 | Sat 20 Oct 2018 | 32-1 v Soham Town RangersSoham Town Rangers 1-2 Grays Athletic | Bostik League North Division |
| 15 | Sat 27 Oct 2018 | 40-4 v Coggeshall TownCoggeshall Town 4-0 Grays Athletic | Bostik League North Division |
| 16 | Sat 10 Nov 2018 | 162-1 v Felixstowe & Walton UnitedFelixstowe & Walton United 1-2 Grays Athletic | Bostik League North Division |
| 17 | Sat 1 Dec 2018 | 170-1 v Heybridge SwiftsGrays Athletic 0-1 Heybridge Swifts | Bostik League North Division |
| 18 | Sat 8 Dec 2018 | 171-2 v BarkingBarking 2-1 Grays Athletic | Bostik League North Division |
| 19 | Sat 15 Dec 2018 | 162-2 v Basildon UnitedGrays Athletic 2-2 Basildon United | Bostik League North Division |
| 20 | Sat 5 Jan 2019 | 123-2 v Bury TownGrays Athletic 3-2 Bury Town | Bostik League North Division |
| 21 | Sat 12 Jan 2019 | 122-2 v Maldon & TiptreeMaldon & Tiptree 2-2 Grays Athletic | Bostik League North Division |
| 22 | Sat 19 Jan 2019 | 50-1 v Witham TownGrays Athletic 0-1 Witham Town | Bostik League North Division |
| 23 | Wed 23 Jan 2019 | 63-4 v AveleyGrays Athletic 3-4 Aveley | Bostik League North Division |
| 24 | Sat 26 Jan 2019 | 20-2 v Canvey IslandCanvey Island 2-0 Grays Athletic | Bostik League North Division |
| 25 | Sat 2 Feb 2019 | 120-1 v Coggeshall TownGrays Athletic 0-1 Coggeshall Town | Bostik League North Division |
| 26 | Tue 5 Feb 2019 | 160-1 v Bowers & PitseaBowers & Pitsea 1-0 Grays Athletic | Bostik League North Division |
| 27 | Sat 16 Feb 2019 | 15 4-0 v Soham Town RangersGrays Athletic 4-0 Soham Town Rangers | Bostik League North Division |
| 28 | Sat 23 Feb 2019 | 21-1 v TilburyTilbury 1-1 Grays Athletic | Bostik League North Division |
| 29 | Sat 2 Mar 2019 | 42-2 v Felixstowe & Walton UnitedGrays Athletic 2-2 Felixstowe & Walton United | Bostik League North Division |
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