5. Round | 10/10/2020 | Walsall FC | - | Colchester United | 1:1 | ||||
6. Round | 17/10/2020 | Carlisle United | - | Colchester United | 3:2 | ||||
7. Round | 20/10/2020 | Colchester United | - | Forest Green Rovers | 1:0 | ||||
9. Round | 27/10/2020 | Newport County | - | Colchester United | 2:1 | ||||
11. Round | 03/11/2020 | Colchester United | - | Stevenage FC | 3:1 | ||||
12. Round | 14/11/2020 | Colchester United | - | Leyton Orient | 2:1 | ||||
13. Round | 20/11/2020 | Mansfield Town | - | Colchester United | 1:1 | ||||
14. Round | 24/11/2020 | Exeter City | - | Colchester United | 6:1 | ||||
20. Round | 26/12/2020 | Southend United | - | Colchester United | 2:0 | ||||
21. Round | 29/12/2020 | Colchester United | - | Cheltenham Town | 0:0 | ||||
24. Round | 16/01/2021 | Colchester United | - | Cambridge United | 1:1 | ||||
45. Round | 01/05/2021 | Colchester United | - | Salford City | 1:0 | ||||
46. Round | 08/05/2021 | Tranmere Rovers | - | Colchester United | 0:0 |