2. Round | 12/08/2023 | Bradford City | - | Colchester United | 2:1 | ||||
3. Round | 15/08/2023 | Colchester United | - | AFC Wimbledon | 0:2 | ||||
4. Round | 19/08/2023 | Colchester United | - | Milton Keynes Dons | 2:3 | ||||
5. Round | 26/08/2023 | Gillingham FC | - | Colchester United | 0:3 | ||||
6. Round | 02/09/2023 | Walsall FC | - | Colchester United | 1:0 | ||||
7. Round | 09/09/2023 | Colchester United | - | Tranmere Rovers | 2:0 | ||||
11. Round | 03/10/2023 | Newport County | - | Colchester United | 2:1 | ||||
12. Round | 07/10/2023 | Colchester United | - | Morecambe FC | 1:3 | ||||
13. Round | 14/10/2023 | Forest Green Rovers | - | Colchester United | 5:0 |