| Non League Premier - Southern Central | Redditch United | Leiston | 03‑Apr | 4-1 | |
| Non League Premier - Southern Central | Leiston | Banbury United | 28‑Mar | 1-0 | |
| Non League Premier - Southern Central | Leiston | Worcester City | 21‑Mar | 1-0 | |
| Non League Premier - Southern Central | Stamford | Leiston | 14‑Mar | 2-0 | |
| Non League Premier - Southern Central | Leiston | Stratford Town | 07‑Mar | 1-1 | |
| Non League Premier - Southern Central | AFC Sudbury | Leiston | 21‑Feb | 0-3 | |
| Non League Premier - Southern Central | Leiston | Bromsgrove Sporting | 14‑Feb | 1-1 | |
| Non League Premier - Southern Central | Barwell | Leiston | 07‑Feb | 2-3 | |
| Non League Premier - Southern Central | Bury Town | Leiston | 03‑Feb | 1-1 | |
| Non League Premier - Southern Central | Leiston | Royston Town | 31‑Jan | 1-1 | |
| Non League Premier - Southern Central | Harborough Town | Leiston | 24‑Jan | 3-2 | |
| Non League Premier - Southern Central | Leiston | Alvechurch | 20‑Jan | 3-3 | |
| Non League Premier - Southern Central | Leiston | Stourbridge | 17‑Jan | 0-0 | |
| Non League Premier - Southern Central | Leiston | Kettering Town | 10‑Jan | 4-1 | |
| Non League Premier - Southern Central | Leiston | Needham Market | 27‑Dec | 0-1 | |
| Non League Premier - Southern Central | Halesowen Town | Leiston | 20‑Dec | 1-2 | |
| Non League Premier - Southern Central | Spalding United | Leiston | 06‑Dec | 4-1 | |
| Non League Premier - Southern Central | Leiston | Real Bedford | 29‑Nov | 1-0 | |
| Non League Premier - Southern Central | St Ives Town | Leiston | 24‑Nov | 1-3 | |
| Non League Premier - Southern Central | Stratford Town | Leiston | 22‑Nov | 2-1 | |
| Non League Premier - Southern Central | Leiston | Bishop's Stortford | 18‑Nov | 0-1 | |
| Non League Premier - Southern Central | Leiston | Stamford | 15‑Nov | 3-0 | |
| Non League Premier - Southern Central | Worcester City | Leiston | 08‑Nov | 1-1 | |
| Non League Premier - Southern Central | Bromsgrove Sporting | Leiston | 01‑Nov | 2-1 | |
| FA Trophy | AFC Sudbury | Leiston | 25‑Oct | 2-1 | |
| Non League Premier - Southern Central | Leiston | AFC Sudbury | 21‑Oct | 3-1 | |
| Non League Premier - Southern Central | Leiston | Barwell | 18‑Oct | 2-2 | |
| Non League Premier - Southern Central | Royston Town | Leiston | 14‑Oct | 1-3 | |
| Non League Premier - Southern Central | Stourbridge | Leiston | 11‑Oct | 1-1 | |
| FA Trophy | Lewes | Leiston | 04‑Oct | 1-2 | |
| FA Cup | Leiston | Banbury United | 27‑Sep | 0-3 | |
| Non League Premier - Southern Central | Leiston | St Ives Town | 23‑Sep | 2-2 | |
| Non League Premier - Southern Central | Leiston | Harborough Town | 20‑Sep | 2-2 | |
| FA Cup | Leiston | Hackney Wick | 13‑Sep | 4-1 | |
| Non League Premier - Southern Central | Bishop's Stortford | Leiston | 09‑Sep | 0-1 | |
| Non League Premier - Southern Central | Leiston | Quorn | 06‑Sep | 2-3 | |
| FA Cup | Cheshunt | Leiston | 30‑Aug | 1-2 | |
| Non League Premier - Southern Central | Needham Market | Leiston | 25‑Aug | 1-2 | |
| Non League Premier - Southern Central | Leiston | Redditch United | 23‑Aug | 2-0 | |
| Non League Premier - Southern Central | Banbury United | Leiston | 16‑Aug | 1-1 | |
| Non League Premier - Southern Central | Kettering Town | Leiston | 12‑Aug | 3-0 | |
| Non League Premier - Southern Central | Leiston | Halesowen Town | 09‑Aug | 2-2 | |
| Friendlies Clubs | Leiston | Billericay Town | 26‑Jul | 2-3 | |
