| 1. Round | 12/09/2020 | Northampton Town | - | AFC Wimbledon | 2:2 | ||||
| 2. Round | 19/09/2020 | AFC Wimbledon | - | Plymouth Argyle | 4:4 | ||||
| 3. Round | 26/09/2020 | Fleetwood Town | - | AFC Wimbledon | 0:1 | ||||
| 6. Round | 17/10/2020 | AFC Wimbledon | - | Shrewsbury Town | 0:1 | ||||
| 20. Round | 26/12/2020 | Oxford United | - | AFC Wimbledon | 2:0 | ||||
| 22. Round | 02/01/2021 | AFC Wimbledon | - | Lincoln City | 1:2 |
Wales