| 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 |  |
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| 5. Round | 26/08/2023 | Gillingham FC | - | Colchester United | 0:3 | |
| 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 | |
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| 5. Round | 26/08/2023 | Gillingham FC | - | Colchester United | 0:3 | |
| Junior Baptiste Tchamadeu | |
| Born: | 22.12.2003 |
| Place of birth: |
Barking, London, 
England |
| Nationality: |
Cameroon
England |
| Height: | 180 cm |
| Weight: | 72 kg |
| Position(s): | Right Back Right Midfielder |
| Foot: | right |