| 29. Round | 20/01/2018 | Peterborough United | - | Oldham Athletic | 3:0 |  |
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| 31. Round | 03/02/2018 | Peterborough United | - | Southend United | 0:1 | ||||
| 34. Round | 18/02/2018 | Blackpool FC | - | Peterborough United | 1:1 | ||||
| 30. Round | 13/03/2018 | Bury FC | - | Peterborough United | 0:1 | ||||
| 39. Round | 24/03/2018 | Peterborough United | - | Bristol Rovers | 1:1 | ||||
| 40. Round | 30/03/2018 | Rotherham United | - | Peterborough United | 1:1 | ||||
| 41. Round | 02/04/2018 | Peterborough United | - | Northampton Town | 2:0 | ||||
| 42. Round | 07/04/2018 | Plymouth Argyle | - | Peterborough United | 2:1 |  |
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| 43. Round | 14/04/2018 | Peterborough United | - | Rochdale AFC | 0:1 | ||||
| 44. Round | 19/04/2018 | Blackburn Rovers | - | Peterborough United | 3:1 | ||||
| 36. Round | 24/04/2018 | Shrewsbury Town | - | Peterborough United | 3:1 | ||||
| 45. Round | 28/04/2018 | Peterborough United | - | Fleetwood Town | 2:0 | |
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| 46. Round | 05/05/2018 | Portsmouth FC | - | Peterborough United | 2:0 |
England