| 1 | Sat 6 Aug 2022 | 7 0-0 v Tiverton TownTiverton Town 0-0 Harrow Borough | Southern League - Premier South |
| 2 | Sat 13 Aug 2022 | 71-1 v Winchester CityHarrow Borough 1-1 Winchester City | Southern League - Premier South |
| 3 | Mon 15 Aug 2022 | 71-4 v Bracknell TownBracknell Town 4-1 Harrow Borough | Southern League - Premier South |
| 4 | Sat 27 Aug 2022 | 70-7 v Weston-super-MareWeston-super-Mare 7-0 Harrow Borough | Southern League - Premier South |
| 5 | Mon 29 Aug 2022 | 71-2 v Hayes & Yeading UnitedHarrow Borough 1-2 Hayes & Yeading United | Southern League - Premier South |
| 6 | Sat 3 Sep 2022 | 71-4 v Bracknell TownBracknell Town 4-1 Harrow Borough | Emirates FA Cup First Qualifying Round |
| 7 | Tue 20 Sep 2022 | 101-3 v HendonHarrow Borough 1-3 Hendon | Southern League - Premier South |
| 8 | Sat 24 Sep 2022 | 101-0 v North LeighHarrow Borough 1-0 North Leigh | Southern League - Premier South |
| 9 | Sat 8 Oct 2022 | 72-2 v Corinthian-CasualsCorinthian-Casuals 2-2 Harrow Borough | Isuzu FA Trophy Third Qualifying Round |
| 10 | Tue 11 Oct 2022 | 72-1 v Chesham UnitedHarrow Borough 2-1 Chesham United | Southern League - Premier South |
| 11 | Sat 15 Oct 2022 | 70-1 v Plymouth ParkwayHarrow Borough 0-1 Plymouth Parkway | Southern League - Premier South |
| 12 | Wed 19 Oct 2022 | 101-2 v Swindon SupermarineSwindon Supermarine 2-1 Harrow Borough | Southern League - Premier South |
| 13 | Sat 22 Oct 2022 | 7 2-2 v Merthyr TownMerthyr Town 2-2 Harrow Borough | Southern League - Premier South |
| 14 | Wed 26 Oct 2022 | 103-1 v Gosport BoroughGosport Borough 1-3 Harrow Borough | Southern League - Premier South |
| 15 | Sat 29 Oct 2022 | 72-0 v Hayes & Yeading UnitedHarrow Borough 2-0 Hayes & Yeading United | Isuzu FA Trophy First Round |
| 16 | Sat 5 Nov 2022 | 103-3 v Yate TownYate Town 3-3 Harrow Borough | Southern League - Premier South |
| 17 | Sat 12 Nov 2022 | 72-1 v Poole TownHarrow Borough 2-1 Poole Town | Southern League - Premier South |
| 18 | Sat 19 Nov 2022 | 74-2 v Concord RangersConcord Rangers 2-4 Harrow Borough | Isuzu FA Trophy Second Round |
| 19 | Sat 26 Nov 2022 | 70-1 v SalisburyHarrow Borough 0-1 Salisbury | Southern League - Premier South |
| 20 | Sat 3 Dec 2022 | 101-2 v Truro CityTruro City 2-1 Harrow Borough | Southern League - Premier South |
| 21 | Wed 21 Dec 2022 | 72-1 v Swindon SupermarineSwindon Supermarine 1-2 Harrow Borough | Isuzu FA Trophy Third Round |
| 22 | Mon 26 Dec 2022 | 70-2 v Metropolitan PoliceHarrow Borough 0-2 Metropolitan Police | Southern League - Premier South |
| 23 | Sat 7 Jan 2023 | 101-5 v Weston-super-MareHarrow Borough 1-5 Weston-super-Mare | Southern League - Premier South |
| 24 | Sat 28 Jan 2023 | 70-3 v HendonHendon 3-0 Harrow Borough | Southern League - Premier South |
| 25 | Tue 31 Jan 2023 | 72-2 v FC Halifax TownHarrow Borough 2-2 FC Halifax Town | Isuzu FA Trophy Fourth Round |
| 26 | Sat 4 Feb 2023 | 71-0 v Beaconsfield TownHarrow Borough 1-0 Beaconsfield Town | Southern League - Premier South |
| 27 | Tue 7 Feb 2023 | 70-0 v Winchester CityWinchester City 0-0 Harrow Borough | Southern League - Premier South |
| 28 | Sat 11 Feb 2023 | 70-2 v North LeighNorth Leigh 2-0 Harrow Borough | Southern League - Premier South |
| 29 | Sat 18 Feb 2023 | 71-3 v Swindon SupermarineHarrow Borough 1-3 Swindon Supermarine | Southern League - Premier South |
| 30 | Sat 25 Feb 2023 | 72-2 v Chesham UnitedChesham United 2-2 Harrow Borough | Southern League - Premier South |
| 31 | Tue 28 Feb 2023 | 71-1 v Hanwell TownHanwell Town 1-1 Harrow Borough | Southern League - Premier South |
| 32 | Sat 4 Mar 2023 | 71-2 v Merthyr TownHarrow Borough 1-2 Merthyr Town | Southern League - Premier South |
| 33 | Tue 7 Mar 2023 | 7 2-2 v Tiverton TownHarrow Borough 2-2 Tiverton Town | Southern League - Premier South |
| 34 | Tue 14 Mar 2023 | 122-1 v Enfield TownEnfield Town 1-2 Harrow Borough | Middlesex County Cup Semi Final |
| 35 | Sat 18 Mar 2023 | 70-4 v Plymouth ParkwayPlymouth Parkway 4-0 Harrow Borough | Southern League - Premier South |
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