| 1. Round | 09/08/2003 | Luton Town | - | Rushden & Diamonds FC | 3:1 | ||||
| 2. Round | 16/08/2003 | Rushden & Diamonds FC | - | Plymouth Argyle | 2:1 | ||||
| 3. Round | 23/08/2003 | Tranmere Rovers | - | Rushden & Diamonds FC | 1:2 | ||||
| 4. Round | 25/08/2003 | Rushden & Diamonds FC | - | Queens Park Rangers | 3:3 |  |
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| 6. Round | 06/09/2003 | Rushden & Diamonds FC | - | Wycombe Wanderers | 2:0 | ||||
| 7. Round | 13/09/2003 | Rushden & Diamonds FC | - | Brentford FC | 0:1 | ||||
| 8. Round | 16/09/2003 | Notts County | - | Rushden & Diamonds FC | 1:3 | |
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| 9. Round | 20/09/2003 | AFC Bournemouth | - | Rushden & Diamonds FC | 2:1 | ||||
| 10. Round | 27/09/2003 | Rushden & Diamonds FC | - | Stockport County | 2:2 | ||||
| 11. Round | 30/09/2003 | Rushden & Diamonds FC | - | Brighton & Hove Albion | 1:3 | ||||
| 12. Round | 04/10/2003 | Barnsley FC | - | Rushden & Diamonds FC | 2:0 |  |
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| 13. Round | 11/10/2003 | Rushden & Diamonds FC | - | Chesterfield FC | 2:1 |
England