| Date | League | Home | Results | Away | HT | HDP | W/L |
|---|---|---|---|---|---|---|---|
| 2025-12-16 03:00 | ENG U21 CUP | Bromley U21 | 0:0 | Colchester United U21 | 0:0 | 0.5 | Lose |
| 2025-10-28 03:00 | ENG U21 CUP | Colchester United U21 | 2:0 | Bromley U21 | 0:0 |
| Date | League | Home | Results | Away | HT | HDP | W/L |
|---|---|---|---|---|---|---|---|
| 2025-12-20 03:00 | ENG U21 CUP | Norwich City U21 | 0:0 | Bromley U21 | 0:0 | ||
| 2025-12-02 03:00 | ENG U21 CUP | Sunderland U21 | 4:0 | Bromley U21 | 0:0 | ||
| 2025-11-18 03:00 | ENG U21 CUP | Bromley U21 | 2:1 | Norwich City U21 | 2:1 | 0 | Lose |
| 2025-09-09 02:00 | ENG U21 CUP | Bromley U21 | 2:1 | Sunderland U21 | 1:0 | -1.75 | Lose |
| 2025-02-04 03:00 | ENG U21 CUP | Norwich City U21 | 0:3 | Bromley U21 | 0:2 | 1.25 | Win |
| 2024-12-19 03:00 | ENG U21 CUP | Exeter City U21 | 3:1 | Bromley U21 | 1:1 | ||
| 2024-11-23 03:00 | ENG U21 CUP | Bromley U21 | 2:0 | Bristol City U21 | 2:0 | ||
| 2024-11-09 03:00 | ENG U21 CUP | Bromley U21 | 3:2 | Norwich City U21 | 0:1 | ||
| 2024-09-17 02:00 | ENG U21 CUP | Bristol City U21 | 2:0 | Bromley U21 | 0:0 | ||
| 2024-08-28 01:50 | ENG U21 CUP | Bromley U21 | 1:4 | Exeter City U21 | 1:1 |
| Date | League | Home | Results | Away | HT | HDP | W/L |
|---|---|---|---|---|---|---|---|
| 2025-12-23 03:00 | ENG U21 CUP | Colchester United U21 | 0:0 | Sunderland U21 | 0:0 | ||
| 2025-12-03 03:00 | ENG U21 CUP | Colchester United U21 | 3:4 | Norwich City U21 | 2:0 | -0.75 | Win |
| 2025-10-18 02:00 | ENG U21 CUP | Sunderland U21 | 2:1 | Colchester United U21 | 1:0 | 1.25 | Win |
| 2025-09-13 02:00 | ENG U21 CUP | Norwich City U21 | 2:2 | Colchester United U21 | 2:0 | 1.5 | Win |
| 2025-11-20 21:00 | ENG U21 CUP | Swansea City U21 | 0:0 | Colchester United U21 | 0:0 | ||
| 2025-11-11 21:00 | ENG U21 CUP | Colchester United U21 | 0:0 | Cardiff City U21 | 0:0 | ||
| 2025-11-04 21:00 | ENG U21 CUP | Watford U21 | 6:0 | Colchester United U21 | 3:0 | 0.75 | Lose |
| 2025-12-10 03:00 | ENG U21 CUP | Queens Park R U21 | 0:0 | Colchester United U21 | 0:0 | ||
| 2025-11-25 21:00 | ENG U21 CUP | Colchester United U21 | 0:3 | Bristol City U21 | 0:1 | 0 | Win |
| 2025-10-10 20:00 | ENG U21 CUP | Colchester United U21 | 2:2 | Charlton Athletic U21 | 2:1 | -1.25 | Lose |
| 2025-10-06 20:00 | ENG U21 CUP | Bournemouth AFC U21 | 4:1 | Colchester United U21 | 0:1 | 2 | Lose |
| 2025-09-27 02:00 | ENG U21 CUP | Colchester United U21 | 2:3 | Brentford U21 | 2:3 | -1 | Draw |
| 2025-09-23 20:00 | ENG U21 CUP | Millwall U21 | 4:0 | Colchester United U21 | 2:0 | 1.5 | Lose |
| 2025-09-16 20:00 | ENG U21 CUP | Peterborough U21 | 2:1 | Colchester United U21 | 0:0 | 0.5 | Lose |
| 2025-09-09 20:00 | ENG U21 CUP | Colchester United U21 | 1:1 | Fleetwood Town U21 | 0:1 | 0.25 | Win |
| 2025-09-01 21:00 | ENG U21 CUP | Sheffield Wed U21 | 3:0 | Colchester United U21 | 0:0 | 0.75 | Lose |
| 2025-08-26 20:20 | ENG U21 CUP | Colchester United U21 | 3:2 | Coventry U21 | 1:2 | -0.75 | Lose |
| 2025-02-21 21:00 | ENG U21 CUP | Charlton Athletic U21 | 8:1 | Colchester United U21 | 2:1 | ||
| 2025-02-01 03:00 | ENG U21 CUP | Colchester United U21 | 2:1 | Preston North End U21 | 1:0 | ||
| 2024-12-11 03:00 | ENG U21 CUP | Queens Park R U21 | 0:1 | Colchester United U21 | 0:0 | 0.75 | Win |
| 2024-11-23 03:00 | ENG U21 CUP | Colchester United U21 | 1:1 | Blackburn Rovers U21 | 1:1 | -1 | Lose |
| 2024-11-06 03:00 | ENG U21 CUP | Preston North End U21 | 2:1 | Colchester United U21 | 1:1 | -0.5 | Lose |
| 2024-10-23 02:00 | ENG U21 CUP | Colchester United U21 | 1:1 | Queens Park R U21 | 1:0 | -0.25 | Lose |
| 2024-09-04 02:00 | ENG U21 CUP | Blackburn Rovers U21 | 2:1 | Colchester United U21 | 0:0 | 0.75 | Lose |
| 2025-05-06 02:00 | ENG U21 CUP | Colchester United U21 | 1:1 | Crewe U21 | 0:1 | ||
| 2025-04-22 21:00 | ENG U21 CUP | Sheffield Utd U21 | 3:0 | Colchester United U21 | 3:0 | 3.25 | Win |
| 2025-04-12 02:00 | ENG U21 CUP | Colchester United U21 | 0:3 | Burnley U21 | 0:1 | ||
| 2025-04-08 21:00 | ENG U21 CUP | Hull U21 | 4:0 | Colchester United U21 | 2:0 | 1.75 | Lose |
| 2025-04-01 20:00 | ENG U21 CUP | Colchester United U21 | 0:1 | Sheffield Wed U21 | 0:0 | ||
| 2025-03-22 03:00 | ENG U21 CUP | Colchester United U21 | 1:2 | Ipswich U21 | 0:1 |
