| 12. Round | 14/11/2020 | Crewe Alexandra | - | Peterborough United | 2:0 | ||||
| 13. Round | 21/11/2020 | Peterborough United | - | Blackpool FC | 1:2 | ||||
| 14. Round | 24/11/2020 | Peterborough United | - | Plymouth Argyle | 1:0 | ||||
| 15. Round | 02/12/2020 | AFC Wimbledon | - | Peterborough United | 2:1 | ||||
| 16. Round | 05/12/2020 | Portsmouth FC | - | Peterborough United | 2:0 |  |
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| 24. Round | 16/01/2021 | Peterborough United | - | Milton Keynes Dons | 3:0 | ||||
| 27. Round | 30/01/2021 | Shrewsbury Town | - | Peterborough United | 2:0 | ||||
| 36. Round | 16/03/2021 | Peterborough United | - | Portsmouth FC | 1:0 | ||||
| 46. Round | 09/05/2021 | Doncaster Rovers | - | Peterborough United | 1:4 |
England