| 1 | Sat 6 Aug 2022 | 140-0 v Tiverton TownTiverton Town 0-0 Harrow Borough | Southern League - Premier South |
| 2 | Sat 8 Oct 2022 | 22-2 v Corinthian-CasualsCorinthian-Casuals 2-2 Harrow Borough | Isuzu FA Trophy Third Qualifying Round |
| 3 | Tue 11 Oct 2022 | 22-1 v Chesham UnitedHarrow Borough 2-1 Chesham United | Southern League - Premier South |
| 4 | Sat 15 Oct 2022 | 20-1 v Plymouth ParkwayHarrow Borough 0-1 Plymouth Parkway | Southern League - Premier South |
| 5 | Wed 19 Oct 2022 | 21-2 v Swindon SupermarineSwindon Supermarine 2-1 Harrow Borough | Southern League - Premier South |
| 6 | Sat 22 Oct 2022 | 162-2 v Merthyr TownMerthyr Town 2-2 Harrow Borough | Southern League - Premier South |
| 7 | Wed 26 Oct 2022 | 113-1 v Gosport BoroughGosport Borough 1-3 Harrow Borough | Southern League - Premier South |
| 8 | Sat 29 Oct 2022 | 2 2-0 v Hayes & Yeading UnitedHarrow Borough 2-0 Hayes & Yeading United | Isuzu FA Trophy First Round |
| 9 | Sat 12 Nov 2022 | 22-1 v Poole TownHarrow Borough 2-1 Poole Town | Southern League - Premier South |
| 10 | Sat 19 Nov 2022 | 24-2 v Concord RangersConcord Rangers 2-4 Harrow Borough | Isuzu FA Trophy Second Round |
| 11 | Sat 26 Nov 2022 | 20-1 v SalisburyHarrow Borough 0-1 Salisbury | Southern League - Premier South |
| 12 | Wed 7 Dec 2022 | 21-0 v Hartley WintneyHarrow Borough 1-0 Hartley Wintney | Southern League - Premier South |
| 13 | Wed 21 Dec 2022 | 22-1 v Swindon SupermarineSwindon Supermarine 1-2 Harrow Borough | Isuzu FA Trophy Third Round |
| 14 | Mon 26 Dec 2022 | 20-2 v Metropolitan PoliceHarrow Borough 0-2 Metropolitan Police | Southern League - Premier South |
| 15 | Tue 31 Jan 2023 | 122-2 v FC Halifax TownHarrow Borough 2-2 FC Halifax Town | Isuzu FA Trophy Fourth Round |
| 16 | Sat 4 Feb 2023 | 21-0 v Beaconsfield TownHarrow Borough 1-0 Beaconsfield Town | Southern League - Premier South |
| 17 | Tue 7 Feb 2023 | 2 0-0 v Winchester CityWinchester City 0-0 Harrow Borough | Southern League - Premier South |
| 18 | Sat 11 Feb 2023 | 50-2 v North LeighNorth Leigh 2-0 Harrow Borough | Southern League - Premier South |
| 19 | Tue 7 Mar 2023 | 2 2-2 v Tiverton TownHarrow Borough 2-2 Tiverton Town | Southern League - Premier South |
| 20 | Tue 14 Mar 2023 | 22-1 v Enfield TownEnfield Town 1-2 Harrow Borough | Middlesex County Cup Semi Final |
| 21 | Tue 21 Mar 2023 | 150-4 v Bracknell TownHarrow Borough 0-4 Bracknell Town | Southern League - Premier South |
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