| Professional Development League | - | 2024-05-25 02:00 | Sheffield United U21 | 2-0 | Birmingham City U21 | 1-0 |
| Professional Development League | - | 2024-05-18 02:00 | Millwall U21 | 1-1 | Birmingham City U21 | 1-1 |
| Professional Development League | - | 2024-05-10 21:00 | Swansea City U21 | 1-0 | Birmingham City U21 | 1-0 |
| Professional Development League | - | 2024-04-30 02:00 | Birmingham City U21 | 3-2 | AFC Bournemouth U21 | 0-2 |
| Professional Development League | - | 2024-04-24 02:00 | Queens Park Rangers U21 | 0-2 | Birmingham City U21 | 0-1 |
| Professional Development League | - | 2024-04-16 02:00 | Birmingham City U21 | 2-2 | Cardiff City U21 | 2-1 |
| Professional Development League | - | 2024-04-08 21:00 | Colchester United U21 | 1-1 | Birmingham City U21 | 1-1 |
| Professional Development League | - | 2024-04-03 02:00 | Birmingham City U21 | 3-1 | Crewe Alexandra U21 | 1-1 |
| Professional Development League | - | 2024-03-20 03:00 | Hull City U21 | 2-2 | Birmingham City U21 | 2-0 |
| Professional Development League | - | 2024-03-14 03:00 | Birmingham City U21 | 3-1 | Barnsley U21 | 1-0 |
| Professional Development League | - | 2024-03-05 22:00 | Sheffield United U21 | 2-0 | Birmingham City U21 | 0-0 |
| Professional Development League | - | 2024-02-26 21:00 | Coventry City U21 | 1-1 | Birmingham City U21 | 1-0 |
| Professional Development League | - | 2024-02-14 21:00 | Birmingham City U21 | 1-1 | Fleetwood Town U21 | 1-1 |
| 英超杯 | - | 2024-02-06 03:00 | Birmingham City U21 | 0-4 | Middlesbrough U21 | 0-3 |
| Professional Development League | - | 2024-02-02 21:00 | Burnley U21 | 2-1 | Birmingham City U21 | 1-0 |
| 英超杯 | - | 2024-01-23 03:00 | 水晶宫U21 | 3-0 | Birmingham City U21 | 1-0 |
| Professional Development League | - | 2024-01-15 21:00 | Wigan Athletic U21 | 0-5 | Birmingham City U21 | 0-4 |
| Professional Development League | - | 2024-01-08 21:00 | Birmingham City U21 | 2-0 | Peterborough United U21 | 2-0 |
| Professional Development League | - | 2023-12-19 21:45 | Sheffield Wednesday U21 | 2-2 | Birmingham City U21 | 1-1 |
| Professional Development League | - | 2023-12-15 20:00 | Birmingham City U21 | 2-1 | Coventry City U21 | 1-1 |
| 英超杯 | - | 2023-12-09 03:00 | Birmingham City U21 | 4-2 | Ipswich Town U21 | 2-0 |
| Professional Development League | - | 2023-12-05 21:00 | Barnsley U21 | 1-2 | Birmingham City U21 | 0-0 |
| Professional Development League | - | 2023-11-27 22:00 | Birmingham City U21 | 3-1 | Sheffield United U21 | 1-0 |
| 英超杯 | - | 2023-11-25 03:00 | Birmingham City U21 | 1-4 | 水晶宫U21 | 0-3 |
| Professional Development League | - | 2023-11-20 22:00 | Birmingham City U21 | 2-2 | Burnley U21 | 1-0 |
| 英超杯 | - | 2023-11-12 20:00 | Middlesbrough U21 | 0-2 | Birmingham City U21 | 0-1 |
| Professional Development League | - | 2023-11-06 21:00 | Crewe Alexandra U21 | 0-3 | Birmingham City U21 | 0-0 |
| Professional Development League | - | 2023-10-23 21:00 | Birmingham City U21 | 3-0 | Hull City U21 | 2-0 |
| Professional Development League | - | 2023-10-16 21:00 | Fleetwood Town U21 | 0-2 | Birmingham City U21 | 0-0 |
| Professional Development League | - | 2023-10-03 21:00 | Birmingham City U21 | 0-3 | Sheffield Wednesday U21 | 0-0 |
| Professional Development League | - | 2023-09-22 21:00 | Peterborough United U21 | 0-2 | Birmingham City U21 | 0-0 |
| 英超杯 | - | 2023-09-19 02:00 | Ipswich Town U21 | 0-0 | Birmingham City U21 | 0-0 |
| Professional Development League | - | 2023-09-15 21:00 | Birmingham City U21 | 1-3 | Wigan Athletic U21 | 1-2 |
| Professional Development League | - | 2023-09-11 21:00 | Birmingham City U21 | 3-3 | Millwall U21 | 1-1 |
| Professional Development League | - | 2023-09-04 21:00 | Charlton Athletic U21 | 2-2 | Birmingham City U21 | 2-1 |
| Professional Development League | - | 2023-08-28 21:00 | Birmingham City U21 | 3-0 | Bristol City U21 | 1-0 |
| Professional Development League | - | 2023-08-22 20:30 | Ipswich Town U21 | 1-2 | Birmingham City U21 | 1-2 |
| Professional Development League | - | 2023-08-14 21:00 | Birmingham City U21 | 1-1 | Watford U21 | 0-0 |
| Professional Development League | - | 2023-05-10 21:00 | Swansea City U21 | 10-1 | Birmingham City U21 | 5-0 |
| Professional Development League | - | 2023-05-01 21:00 | Birmingham City U21 | 1-1 | Reading U21 | 0-0 |
| Professional Development League | - | 2023-04-28 20:30 | Ipswich Town U21 | 1-1 | Birmingham City U21 | 0-1 |
| Professional Development League | - | 2023-04-24 21:00 | Charlton Athletic U21 | 4-2 | Birmingham City U21 | 2-0 |
| Professional Development League | - | 2023-04-18 02:00 | Birmingham City U21 | 1-3 | Watford U21 | 0-1 |
| Professional Development League | - | 2023-03-28 02:00 | Queens Park Rangers U21 | 2-0 | Birmingham City U21 | 0-0 |
| Professional Development League | - | 2023-03-24 03:00 | Birmingham City U21 | 3-0 | Crewe Alexandra U21 | 1-0 |
| Professional Development League | - | 2023-03-20 21:00 | Sheffield Wednesday U21 | 1-2 | Birmingham City U21 | 0-2 |
| Professional Development League | - | 2023-02-28 21:00 | Coventry City U21 | 2-0 | Birmingham City U21 | 0-0 |
| Professional Development League | - | 2023-02-21 22:00 | Birmingham City U21 | 0-5 | Peterborough United U21 | 0-3 |
| Professional Development League | - | 2023-02-13 21:30 | Birmingham City U21 | 1-1 | Burnley U21 | 0-0 |
| Professional Development League | - | 2023-01-31 22:00 | Sheffield United U21 | 2-1 | Birmingham City U21 | 1-1 |
| Professional Development League | - | 2023-01-27 21:30 | Birmingham City U21 | 2-2 | Hull City U21 | 0-1 |
| 英超杯 | - | 2023-01-20 22:00 | Birmingham City U21 | 3-2 | Colchester United U21 | 2-1 |
| Professional Development League | - | 2023-01-17 21:00 | Wigan Athletic U21 | 5-0 | Birmingham City U21 | 2-0 |
| Professional Development League | - | 2023-01-06 21:00 | Barnsley U21 | 1-2 | Birmingham City U21 | 1-0 |
| 英超杯 | - | 2022-12-16 20:00 | Birmingham City U21 | 2-2 | 南安普敦U21 | 0-1 |
| 英超杯 | - | 2022-12-03 20:00 | Birmingham City U21 | 1-0 | 埃弗顿U21 | 0-0 |
| 英超杯 | - | 2022-11-25 20:00 | 埃弗顿U21 | 1-1 | Birmingham City U21 | 1-0 |
| 英超杯 | - | 2022-11-22 03:00 | 南安普敦U21 | 4-0 | Birmingham City U21 | 2-0 |
| Professional Development League | - | 2022-11-14 22:00 | Birmingham City U21 | 0-2 | Cardiff City U21 | 0-1 |
| Professional Development League | - | 2022-11-04 22:00 | Birmingham City U21 | 0-0 | Sheffield United U21 | 0-0 |
| Professional Development League | - | 2022-10-31 21:00 | Crewe Alexandra U21 | 0-2 | Birmingham City U21 | 0-2 |
| Professional Development League | - | 2022-10-24 21:00 | Birmingham City U21 | 3-2 | Sheffield Wednesday U21 | 3-1 |
| Professional Development League | - | 2022-10-17 20:30 | Birmingham City U21 | 1-1 | Barnsley U21 | 1-0 |
| 英超杯 | - | 2022-10-15 02:00 | Colchester United U21 | 2-1 | Birmingham City U21 | 0-1 |
| Professional Development League | - | 2022-10-10 21:00 | Burnley U21 | 2-2 | Birmingham City U21 | 0-1 |
| Professional Development League | - | 2022-10-04 21:00 | Peterborough United U21 | 3-2 | Birmingham City U21 | 2-2 |
| Professional Development League | - | 2022-09-27 02:00 | Birmingham City U21 | 3-0 | Coventry City U21 | 0-0 |
| Professional Development League | - | 2022-09-23 20:00 | Hull City U21 | 3-1 | Birmingham City U21 | 1-0 |
| Professional Development League | - | 2022-09-12 21:00 | Birmingham City U21 | 1-4 | Wigan Athletic U21 | 0-0 |
| Professional Development League | - | 2022-09-06 02:00 | Birmingham City U21 | 5-0 | Colchester United U21 | 2-0 |
| Professional Development League | - | 2022-08-30 20:00 | Bristol City U21 | 0-0 | Birmingham City U21 | 0-0 |
| Professional Development League | - | 2022-08-22 20:30 | Birmingham City U21 | 1-4 | Millwall U21 | 0-1 |
