| 1. Round | 07/08/2021 | Luton Town | - | Peterborough United | 3:0 | ||||
| 7. Round | 14/09/2021 | Reading FC | - | Peterborough United | 3:1 | ||||
| 22. Round | 11/12/2021 | Peterborough United | - | Millwall FC | 2:1 | ||||
| 23. Round | 18/12/2021 | Blackpool FC | - | Peterborough United | 3:1 | ||||
| 29. Round | 29/01/2022 | Peterborough United | - | Sheffield United | 0:2 |
England