| 1 | Sat 14 Aug 2021 | 140-3 v CheshuntCheshunt 3-0 East Thurrock United | Isthmian League - Premier Division |
| 2 | Sat 21 Aug 2021 | 142-2 v Bognor Regis TownEast Thurrock United 2-2 Bognor Regis Town | Isthmian League - Premier Division |
| 3 | Sat 28 Aug 2021 | 142-1 v Bowers & PitseaBowers & Pitsea 1-2 East Thurrock United | Isthmian League - Premier Division |
| 4 | Mon 30 Aug 2021 | 141-1 v Brightlingsea RegentEast Thurrock United 1-1 Brightlingsea Regent | Isthmian League - Premier Division |
| 5 | Sat 4 Sep 2021 | 143-1 v Cambridge CityCambridge City 1-3 East Thurrock United | Emirates FA Cup First Qualifying Round |
| 6 | Sat 2 Oct 2021 | 140-4 v Boston UnitedBoston United 4-0 East Thurrock United | Emirates FA Cup Third Qualifying Round |
| 7 | Sat 9 Oct 2021 | 144-3 v HornchurchEast Thurrock United 4-3 Hornchurch | Isthmian League - Premier Division |
| 8 | Tue 12 Oct 2021 | 140-3 v Potters Bar TownPotters Bar Town 3-0 East Thurrock United | Isthmian League - Premier Division |
| 9 | Sat 16 Oct 2021 | 141-4 v Carshalton AthleticCarshalton Athletic 4-1 East Thurrock United | Isthmian League - Premier Division |
| 10 | Tue 26 Oct 2021 | 140-2 v MargateMargate 2-0 East Thurrock United | Isthmian League - Premier Division |
| 11 | Sat 30 Oct 2021 | 140-6 v KingstonianEast Thurrock United 0-6 Kingstonian | Buildbase FA Trophy Third Qualifying Round |
| 12 | Sat 6 Nov 2021 | 140-2 v LeatherheadEast Thurrock United 0-2 Leatherhead | Isthmian League - Premier Division |
| 13 | Tue 9 Nov 2021 | 14 2-0 v LewesEast Thurrock United 2-0 Lewes | Isthmian League - Premier Division |
| 14 | Sat 20 Nov 2021 | 101-1 v Corinthian-CasualsEast Thurrock United 1-1 Corinthian-Casuals | Isthmian League - Premier Division |
| 15 | Tue 7 Dec 2021 | 142-1 v Brightlingsea RegentBrightlingsea Regent 1-2 East Thurrock United | Essex County Cup Third Round |
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