| 1 | Sat 14 Aug 2021 | 80-3 v CheshuntCheshunt 3-0 East Thurrock United | Isthmian League - Premier Division |
| 2 | Sat 21 Aug 2021 | 8 2-2 v Bognor Regis TownEast Thurrock United 2-2 Bognor Regis Town | Isthmian League - Premier Division |
| 3 | Sat 28 Aug 2021 | 82-1 v Bowers & PitseaBowers & Pitsea 1-2 East Thurrock United | Isthmian League - Premier Division |
| 4 | Mon 30 Aug 2021 | 81-1 v Brightlingsea RegentEast Thurrock United 1-1 Brightlingsea Regent | Isthmian League - Premier Division |
| 5 | Tue 14 Sep 2021 | 8 1-1 v Folkestone InvictaEast Thurrock United 1-1 Folkestone Invicta | Isthmian League - Premier Division |
| 6 | Sat 18 Sep 2021 | 82-2 v Needham MarketEast Thurrock United 2-2 Needham Market | Emirates FA Cup Second Qualifying Round |
| 7 | Tue 21 Sep 2021 | 83-2 v Needham MarketNeedham Market 2-3 East Thurrock United | Emirates FA Cup Second Qualifying Round Replay |
| 8 | Sat 25 Sep 2021 | 81-5 v Haringey BoroughHaringey Borough 5-1 East Thurrock United | Isthmian League - Premier Division |
| 9 | Sat 9 Oct 2021 | 84-3 v HornchurchEast Thurrock United 4-3 Hornchurch | Isthmian League - Premier Division |
| 10 | Tue 12 Oct 2021 | 80-3 v Potters Bar TownPotters Bar Town 3-0 East Thurrock United | Isthmian League - Premier Division |
| 11 | Sat 16 Oct 2021 | 81-4 v Carshalton AthleticCarshalton Athletic 4-1 East Thurrock United | Isthmian League - Premier Division |
| 12 | Tue 19 Oct 2021 | 81-2 v Bishop's StortfordEast Thurrock United 1-2 Bishop's Stortford | Isthmian League - Premier Division |
| 13 | Sat 23 Oct 2021 | 80-8 v Enfield TownEast Thurrock United 0-8 Enfield Town | Isthmian League - Premier Division |
| 14 | Tue 26 Oct 2021 | 8 0-2 v MargateMargate 2-0 East Thurrock United | Isthmian League - Premier Division |
| 15 | Sat 30 Oct 2021 | 80-6 v KingstonianEast Thurrock United 0-6 Kingstonian | Buildbase FA Trophy Third Qualifying Round |
| 16 | Tue 9 Nov 2021 | 82-0 v LewesEast Thurrock United 2-0 Lewes | Isthmian League - Premier Division |
| 17 | Sat 20 Nov 2021 | 81-1 v Corinthian-CasualsEast Thurrock United 1-1 Corinthian-Casuals | Isthmian League - Premier Division |
| 18 | Sat 27 Nov 2021 | 8 2-2 v MersthamMerstham 2-2 East Thurrock United | Isthmian League - Premier Division |
| 19 | Sat 4 Dec 2021 | 14 0-2 v Bowers & PitseaEast Thurrock United 0-2 Bowers & Pitsea | Isthmian League - Premier Division |
| 20 | Tue 7 Dec 2021 | 82-1 v Brightlingsea RegentBrightlingsea Regent 1-2 East Thurrock United | Essex County Cup Third Round |
| 21 | Sat 11 Dec 2021 | 81-3 v HorshamHorsham 3-1 East Thurrock United | Isthmian League - Premier Division |
| 22 | Wed 15 Dec 2021 | 15 1-0 v KingstonianKingstonian 0-1 East Thurrock United | Isthmian League - Premier Division |
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