| 1 | Sat 22 Aug 2020 | 11-3 v Enfield TownGrays Athletic 1-3 Enfield Town | Friendly |
| 2 | Mon 24 Aug 2020 | 11-1 v Hashtag UnitedGrays Athletic 1-1 Hashtag United | Friendly |
| 3 | Wed 2 Sep 2020 | 10-6 v Billericay TownGrays Athletic 0-6 Billericay Town | Friendly |
| 4 | Sat 5 Sep 2020 | 11-1 v TilburyGrays Athletic 1-1 Tilbury | Friendly |
| 5 | Sat 12 Sep 2020 | 11-0 v Witham TownGrays Athletic 1-0 Witham Town | Emirates FA Cup Preliminary Round |
| 6 | Sat 19 Sep 2020 | 12-0 v Brentwood TownBrentwood Town 0-2 Grays Athletic | Isthmian League - North Division |
| 7 | Wed 23 Sep 2020 | 13-1 v Potton UnitedGrays Athletic 3-1 Potton United | Emirates FA Cup First Qualifying Round |
| 8 | Sat 26 Sep 2020 | 10-4 v Canvey IslandGrays Athletic 0-4 Canvey Island | Isthmian League - North Division |
| 9 | Sat 3 Oct 2020 | 12-2 v Maldon & TiptreeMaldon & Tiptree 2-2 Grays Athletic | Emirates FA Cup Second Qualifying Round |
| 10 | Tue 6 Oct 2020 | 1 1-0 v TilburyTilbury 0-1 Grays Athletic | Isthmian League - North Division |
| 11 | Sat 10 Oct 2020 | 11-1 v RomfordGrays Athletic 1-1 Romford | Isthmian League - North Division |
| 12 | Sat 17 Oct 2020 | 11-4 v Maldon & TiptreeMaldon & Tiptree 4-1 Grays Athletic | Buildbase FA Trophy Second Qualifying Round |
| 13 | Sat 24 Oct 2020 | 10-1 v Soham Town RangersSoham Town Rangers 1-0 Grays Athletic | Isthmian League - North Division |
| 14 | Wed 28 Oct 2020 | 11-0 v Great Wakering RoversGrays Athletic 1-0 Great Wakering Rovers | Isthmian League - North Division |
| 15 | Sat 5 Dec 2020 | 10-3 v HornchurchHornchurch 3-0 Grays Athletic | Friendly |
| 16 | Sat 3 Jul 2021 | 11-1 v Three BridgesThree Bridges 1-1 Grays Athletic | Friendly |
| 17 | Mon 5 Jul 2021 | 12-3 v Cray Valley PMGrays Athletic 2-3 Cray Valley PM | Friendly |
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