| 1 | Sat 11 Sep 2021 | 61-2 v Coggeshall TownCoggeshall Town 2-1 Felixstowe & Walton United | Isthmian League - North Division |
| 2 | Tue 14 Sep 2021 | 24-1 v Hullbridge SportsHullbridge Sports 1-4 Felixstowe & Walton United | Isthmian League - North Division |
| 3 | Sat 18 Sep 2021 | 22-0 v Hashtag UnitedHashtag United 0-2 Felixstowe & Walton United | Isthmian League - North Division |
| 4 | Sat 9 Oct 2021 | 51-1 v Maldon & TiptreeMaldon & Tiptree 1-1 Felixstowe & Walton United | Buildbase FA Trophy Second Qualifying Round |
| 5 | Tue 12 Oct 2021 | 52-3 v Heybridge SwiftsFelixstowe & Walton United 2-3 Heybridge Swifts | Isthmian League - North Division |
| 6 | Sat 16 Oct 2021 | 22-1 v TilburyFelixstowe & Walton United 2-1 Tilbury | Isthmian League - North Division |
| 7 | Sat 30 Oct 2021 | 43-1 v Hastings UnitedHastings United 1-3 Felixstowe & Walton United | Buildbase FA Trophy Third Qualifying Round |
| 8 | Sat 6 Nov 2021 | 50-2 v Stowmarket TownStowmarket Town 2-0 Felixstowe & Walton United | Isthmian League - North Division |
| 9 | Sat 13 Nov 2021 | 52-1 v Peterborough SportsFelixstowe & Walton United 2-1 Peterborough Sports | Buildbase FA Trophy First Round |
| 10 | Sat 20 Nov 2021 | 50-5 v AveleyAveley 5-0 Felixstowe & Walton United | Isthmian League - North Division |
| 11 | Sat 18 Dec 2021 | 62-0 v Canvey IslandFelixstowe & Walton United 2-0 Canvey Island | Isthmian League - North Division |
| 12 | Mon 27 Dec 2021 | 63-1 v Dereham TownDereham Town 1-3 Felixstowe & Walton United | Isthmian League - North Division |
| 13 | Tue 11 Jan 2022 | 62-1 v Great Wakering RoversFelixstowe & Walton United 2-1 Great Wakering Rovers | Isthmian League - North Division |
| 14 | Sat 15 Jan 2022 | 61-0 v Hashtag UnitedFelixstowe & Walton United 1-0 Hashtag United | Isthmian League - North Division |
| 15 | Tue 18 Jan 2022 | 22-1 v Basildon UnitedBasildon United 1-2 Felixstowe & Walton United | Isthmian League - North Division |
| 16 | Sat 22 Jan 2022 | 22-1 v Hullbridge SportsFelixstowe & Walton United 2-1 Hullbridge Sports | Isthmian League - North Division |
| 17 | Tue 25 Jan 2022 | 60-2 v Cray Valley PMCray Valley PM 2-0 Felixstowe & Walton United | Velocity Trophy Third Round |
| 18 | Sat 29 Jan 2022 | 62-3 v Heybridge SwiftsHeybridge Swifts 3-2 Felixstowe & Walton United | Isthmian League - North Division |
| 19 | Tue 1 Feb 2022 | 2 1-0 v Brentwood TownFelixstowe & Walton United 1-0 Brentwood Town | Isthmian League - North Division |
| 20 | Sat 26 Feb 2022 | 151-0 v Brentwood TownBrentwood Town 0-1 Felixstowe & Walton United | Isthmian League - North Division |
| 21 | Tue 1 Mar 2022 | 53-0 v BarkingFelixstowe & Walton United 3-0 Barking | Isthmian League - North Division |
| 22 | Sat 9 Apr 2022 | 32-1 v BarkingBarking 1-2 Felixstowe & Walton United | Isthmian League - North Division |
| 23 | Tue 12 Apr 2022 | 62-1 v Stowmarket TownFelixstowe & Walton United 2-1 Stowmarket Town | Isthmian League - North Division |
| 24 | Sat 16 Apr 2022 | 61-0 v Bury TownFelixstowe & Walton United 1-0 Bury Town | Isthmian League - North Division |
| 25 | Mon 18 Apr 2022 | 65-1 v Maldon & TiptreeMaldon & Tiptree 1-5 Felixstowe & Walton United | Isthmian League - North Division |
| 26 | Sat 23 Apr 2022 | 63-0 v Coggeshall TownFelixstowe & Walton United 3-0 Coggeshall Town | Isthmian League - North Division |
| 27 | Tue 26 Apr 2022 | 61-3 v Canvey IslandCanvey Island 3-1 Felixstowe & Walton United | Isthmian League - North Division Play-off Semi Final |
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