| 1 | Wed 1 Aug 2018 | 121-9 v Ipswich TownGrays Athletic 1-9 Ipswich Town | Friendly |
| 2 | Tue 11 Sep 2018 | 40-0 v Witham TownWitham Town 0-0 Grays Athletic | Velocity Trophy First Round |
| 3 | Sat 15 Sep 2018 | 41-0 v Brentwood TownBrentwood Town 0-1 Grays Athletic | Bostik League North Division |
| 4 | Wed 26 Sep 2018 | 121-1 v Bowers & PitseaGrays Athletic 1-1 Bowers & Pitsea | Bostik League North Division |
| 5 | Sat 29 Sep 2018 | 43-1 v Felixstowe & Walton UnitedFelixstowe & Walton United 1-3 Grays Athletic | Buildbase FA Trophy Extra Preliminary Round |
| 6 | Sat 6 Oct 2018 | 44-3 v Great Wakering RoversGrays Athletic 4-3 Great Wakering Rovers | Bostik League North Division |
| 7 | Sat 13 Oct 2018 | 82-4 v Sevenoaks TownGrays Athletic 2-4 Sevenoaks Town | Buildbase FA Trophy Preliminary Round |
| 8 | Sat 20 Oct 2018 | 42-1 v Soham Town RangersSoham Town Rangers 1-2 Grays Athletic | Bostik League North Division |
| 9 | Sat 27 Oct 2018 | 150-4 v Coggeshall TownCoggeshall Town 4-0 Grays Athletic | Bostik League North Division |
| 10 | Sat 1 Dec 2018 | 160-1 v Heybridge SwiftsGrays Athletic 0-1 Heybridge Swifts | Bostik League North Division |
| 11 | Sat 15 Dec 2018 | 42-2 v Basildon UnitedGrays Athletic 2-2 Basildon United | Bostik League North Division |
| 12 | Sat 2 Mar 2019 | 162-2 v Felixstowe & Walton UnitedGrays Athletic 2-2 Felixstowe & Walton United | Bostik League North Division |
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