All countries
| 25. Round | Bury Town | Leiston | POSTP. | details | 03.01.2026 | |||
| 24. Round | Leiston | Needham Market | 0:1 (0:0, 0:1) | details | 27.12.2025 | |||
| 23. Round | Halesowen | Leiston | 1:2 (0:2, 1:0) | details | 20.12.2025 | |||
| 21. Round | Spalding United | Leiston | 4:1 (4:1, 0:0) | details | 06.12.2025 | |||
| 20. Round | Leiston | Real Bedford | 1:0 (1:0, 0:0) | details | 29.11.2025 | |||
| 19. Round | St. Ives | Leiston | 1:3 (0:0, 1:3) | details | 24.11.2025 | |||
| 18. Round | Stratford | Leiston | 2:1 (1:0, 1:1) | details | 22.11.2025 | |||
| 17. Round | Leiston | Bishop's Stortford | 0:1 (0:1, 0:0) | details | 18.11.2025 | |||
| 16. Round | Leiston | Stamford | 3:0 (1:0, 2:0) | details | 15.11.2025 | |||
| 15. Round | Worcester | Leiston | 1:1 (0:1, 1:0) | details | 08.11.2025 | |||
| 14. Round | Bromsgrove | Leiston | 2:1 (1:0, 1:1) | details | 01.11.2025 | |||
| 1/128-finals | Sudbury | Leiston | 2:1 (1:0, 1:1) | details | 25.10.2025 | |||
| 13. Round | Leiston | Sudbury | 3:1 (1:0, 2:1) | details | 21.10.2025 | |||
| 12. Round | Leiston | Barwell | 2:2 (0:2, 2:0) | details | 18.10.2025 | |||
| 11. Round | Royston | Leiston | 1:3 (0:1, 1:2) | details | 14.10.2025 | |||
| 10. Round | Stourbridge | Leiston | 1:1 (1:1, 0:0) | details | 11.10.2025 | |||
| Final | Lewes | Leiston | 1:2 (0:1, 1:1) | details | 04.10.2025 | |||
| Semi-finals - 1st leg | Leiston | Banbury | 0:3 (0:2, 0:1) | details | 27.09.2025 | |||
| 9. Round | Leiston | St. Ives | 2:2 (0:0, 2:2) | details | 23.09.2025 | |||
| 8. Round | Leiston | Harborough | 2:2 (1:1, 1:1) | details | 20.09.2025 | |||
| Quarter-finals - 1st leg | Leiston | Hackney Wick | 4:1 (4:0, 0:1) | details | 13.09.2025 | |||
| 7. Round | Bishop's Stortford | Leiston | 0:1 (0:1, 0:0) | details | 09.09.2025 | |||
| 6. Round | Leiston | Quorn | 2:3 (1:2, 1:1) | details | 06.09.2025 | |||
| 1/8-finals - 1st leg | Cheshunt | Leiston | 1:2 (1:1, 0:1) | details | 30.08.2025 | |||
| 5. Round | Needham Market | Leiston | 1:2 (1:1, 0:1) | details | 25.08.2025 | |||
| 4. Round | Leiston | Redditch | 2:0 (0:0, 2:0) | details | 23.08.2025 | |||
| 3. Round | Banbury | Leiston | 1:1 (1:1, 0:0) | details | 16.08.2025 | |||
| 2. Round | Kettering | Leiston | 3:0 (2:0, 1:0) | details | 12.08.2025 | |||
| 1. Round | Leiston | Halesowen | 2:2 (1:1, 1:1) | details | 09.08.2025 | |||
| Leiston | Billericay | 2:3 (2:1, 0:2) | details | 26.07.2025 | ||||
| 42. Round | Leiston | Biggleswade Town | 2:3 (2:2, 0:1) | details | 26.04.2025 | |||
| 41. Round | Lowestoft | Leiston | 0:0 (0:0, 0:0) | details | 21.04.2025 | |||
| 40. Round | Leiston | Halesowen | 0:3 (0:1, 0:2) | details | 19.04.2025 | |||
| 39. Round | Stourbridge | Leiston | 2:0 (1:0, 1:0) | details | 12.04.2025 | |||
| 38. Round | Leiston | Banbury | 3:0 (1:0, 2:0) | details | 05.04.2025 | |||
| 37. Round | Leiston | Bedford | 0:2 (0:0, 0:2) | details | 29.03.2025 | |||
| 36. Round | Alvechurch | Leiston | 1:1 (0:1, 1:0) | details | 22.03.2025 | |||
| 19. Round | Biggleswade Town | Leiston | 0:0 (0:0, 0:0) | details | 18.03.2025 | |||
| 35. Round | Leiston | Barwell | 3:4 (0:2, 3:2) | details | 15.03.2025 | |||
| 34. Round | Sudbury | Leiston | 1:2 (1:1, 0:1) | details | 08.03.2025 | |||
| 33. Round | Leiston | Kettering | 0:2 (0:1, 0:1) | details | 01.03.2025 | |||
| 32. Round | AFC Telford | Leiston | 3:1 (2:1, 1:0) | details | 22.02.2025 | |||
| 31. Round | Leiston | Spalding United | 2:1 (2:0, 0:1) | details | 15.02.2025 | |||
| 26. Round | Leiston | St. Ives | 2:2 (0:1, 2:1) | details | 11.02.2025 | |||
| 30. Round | Stamford | Leiston | 0:2 (0:1, 0:1) | details | 08.02.2025 | |||
| 29. Round | Leiston | Redditch | 1:0 (0:0, 1:0) | details | 01.02.2025 | |||
| 28. Round | Leiston | Hitchin | 2:0 (0:0, 2:0) | details | 25.01.2025 | |||
| 27. Round | Bromsgrove | Leiston | 0:1 (0:0, 0:1) | details | 18.01.2025 | |||
| 25. Round | Leiston | Stratford | 1:0 (1:0, 0:0) | details | 04.01.2025 | |||
| 24. Round | Royston | Leiston | 1:1 (0:1, 1:0) | details | 01.01.2025 | |||