| 1 | Wed 14 Jul 2021 | 143-3 v Phoenix SportsGrays Athletic 3-3 Phoenix Sports | Friendly |
| 2 | Sat 17 Jul 2021 | 14 1-2 v KingstonianGrays Athletic 1-2 Kingstonian | Friendly |
| 3 | Sat 24 Jul 2021 | 82-1 v TilburyTilbury 1-2 Grays Athletic | Friendly |
| 4 | Tue 27 Jul 2021 | 171-2 v WareWare 2-1 Grays Athletic | Friendly |
| 5 | Sat 31 Jul 2021 | 181-1 v Braintree TownGrays Athletic 1-1 Braintree Town | Friendly |
| 6 | Wed 4 Aug 2021 | 161-4 v HornchurchGrays Athletic 1-4 Hornchurch | Friendly |
| 7 | Sat 7 Aug 2021 | 110-3 v Enfield TownEnfield Town 3-0 Grays Athletic | Friendly |
| 8 | Sat 28 Aug 2021 | 12 7-0 v Basildon UnitedBasildon United 0-7 Grays Athletic | Isthmian League - North Division |
| 9 | Fri 10 Sep 2021 | 121-2 v Maldon & TiptreeMaldon & Tiptree 2-1 Grays Athletic | Isthmian League - North Division |
| 10 | Wed 15 Sep 2021 | 124-0 v RomfordGrays Athletic 4-0 Romford | Isthmian League - North Division |
| 11 | Sat 18 Sep 2021 | 121-1 v Coggeshall TownCoggeshall Town 1-1 Grays Athletic | Isthmian League - North Division |
| 12 | Sat 2 Oct 2021 | 153-0 v Felixstowe & Walton UnitedGrays Athletic 3-0 Felixstowe & Walton United | Isthmian League - North Division |
| 13 | Tue 5 Oct 2021 | 72-1 v Brightlingsea RegentGrays Athletic 2-1 Brightlingsea Regent | Friendly |
| 14 | Sat 16 Oct 2021 | 151-0 v FisherGrays Athletic 1-0 Fisher | Friendly |
| 15 | Sat 23 Oct 2021 | 143-1 v Heybridge SwiftsHeybridge Swifts 1-3 Grays Athletic | Isthmian League - North Division |
| 16 | Sat 30 Oct 2021 | 141-0 v Hullbridge SportsGrays Athletic 1-0 Hullbridge Sports | Isthmian League - North Division |
| 17 | Tue 2 Nov 2021 | 140-1 v Great Wakering RoversGreat Wakering Rovers 1-0 Grays Athletic | Isthmian League - North Division |
| 18 | Wed 10 Nov 2021 | 41-1 v AFC SudburyGrays Athletic 1-1 AFC Sudbury | Isthmian League - North Division |
| 19 | Sat 13 Nov 2021 | 140-2 v Stowmarket TownGrays Athletic 0-2 Stowmarket Town | Isthmian League - North Division |
| 20 | Tue 16 Nov 2021 | 102-1 v Billericay TownGrays Athletic 2-1 Billericay Town | Friendly |
| 21 | Wed 1 Dec 2021 | 100-0 v BarkingGrays Athletic 0-0 Barking | Velocity Trophy Second Round |
| 22 | Sat 11 Dec 2021 | 152-2 v Bury TownBury Town 2-2 Grays Athletic | Isthmian League - North Division |
| 23 | Tue 14 Dec 2021 | 102-0 v Waltham AbbeyWaltham Abbey 0-2 Grays Athletic | Essex County Cup Third Round |
| 24 | Tue 29 Mar 2022 | 161-0 v Hullbridge SportsHullbridge Sports 0-1 Grays Athletic | Isthmian League - North Division |
| 25 | Mon 18 Apr 2022 | 12 1-3 v Canvey IslandCanvey Island 3-1 Grays Athletic | Isthmian League - North Division |
| 26 | Sat 23 Apr 2022 | 4 3-2 v Maldon & TiptreeGrays Athletic 3-2 Maldon & Tiptree | Isthmian League - North Division |
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