| 3. Round | 25/08/2012 | Oxford United | - | Plymouth Argyle | 2:1 | ||||
| 4. Round | 01/09/2012 | York City | - | Oxford United | 3:1 | ||||
| 5. Round | 08/09/2012 | Oxford United | - | Exeter City | 2:4 | ||||
| 6. Round | 15/09/2012 | Burton Albion | - | Oxford United | 4:0 | ||||
| 7. Round | 18/09/2012 | Cheltenham Town | - | Oxford United | 2:1 | ||||
| 14. Round | 23/10/2012 | Rochdale AFC | - | Oxford United | 2:0 | ||||
| 15. Round | 27/10/2012 | Wycombe Wanderers | - | Oxford United | 1:3 | ||||
| 16. Round | 06/11/2012 | Oxford United | - | Dagenham & Redbridge | 2:3 | ||||
| 17. Round | 10/11/2012 | Oxford United | - | Torquay United | 0:0 | ||||
| 18. Round | 17/11/2012 | Chesterfield FC | - | Oxford United | 2:1 | ||||
| 19. Round | 20/11/2012 | Barnet FC | - | Oxford United | 2:2 | ||||
| 20. Round | 24/11/2012 | Oxford United | - | Northampton Town | 2:1 |  |
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| 42. Round | 01/04/2013 | Aldershot Town | - | Oxford United | 3:2 | |
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| 43. Round | 06/04/2013 | Oxford United | - | Wycombe Wanderers | 0:1 | ||||
| 45. Round | 20/04/2013 | Oxford United | - | Rochdale AFC | 3:0 |
USA