[16] Birmingham 2-2 Cardiff [21] 2021-09-09 07:00
Stadium: St Andrew's Trillion Trophy Stadium Round: 22
Referee: Jeremy Simpson Home Manager: Lee Bowyer Away Manager: Steve Morison
Head to Head
| England Championship | 2021/05/01 14:00 | Birmingham v Cardiff | L | 0-4 |
| England Championship | 2020/12/16 19:00 | Cardiff v Birmingham | L | 3-2 |
| England Championship | 2020/01/18 15:00 | Birmingham v Cardiff | D | 1-1 |
| England Championship | 2019/11/02 15:00 | Cardiff v Birmingham | L | 4-2 |
| England Championship | 2018/03/10 15:00 | Cardiff v Birmingham | L | 3-2 |
| England Championship | 2017/10/13 18:45 | Birmingham v Cardiff | W | 1-0 |
| England Championship | 2017/03/11 15:00 | Cardiff v Birmingham | D | 1-1 |
| England Championship | 2016/08/06 14:00 | Birmingham v Cardiff | D | 0-0 |
Home History
| England Championship | 2021/08/28 14:00 | Barnsley v Birmingham | D | 1-1 |
| England EFL Cup | 2021/08/24 18:45 | Birmingham v Fulham | L | 0-2 |
| England Championship | 2021/08/21 14:00 | Luton v Birmingham | W | 0-5 |
| England Championship | 2021/08/18 18:45 | Birmingham v Bournemouth | L | 0-2 |
| England Championship | 2021/08/14 14:00 | Birmingham v Stoke | D | 0-0 |
| England EFL Cup | 2021/08/10 18:45 | Birmingham v Colchester | W | 1-0 |
| England Championship | 2021/08/07 19:00 | Sheff Utd v Birmingham | W | 0-1 |
| Club Friendly List | 2021/08/03 18:45 | Tamworth v Birmingham | L | 3-1 |
Away History
| England Championship | 2021/08/28 11:30 | Cardiff v Bristol City | L | 1-2 |
| England EFL Cup | 2021/08/24 18:45 | Cardiff v Brighton | L | 0-2 |
| England Championship | 2021/08/21 14:00 | Cardiff v Millwall | W | 3-1 |
| England Championship | 2021/08/17 18:45 | Peterborough v Cardiff | D | 2-2 |
| England Championship | 2021/08/14 14:00 | Blackpool v Cardiff | W | 0-2 |
| England EFL Cup | 2021/08/10 18:00 | Cardiff v Sutton Utd | W | 3-2 |
| England Championship | 2021/08/07 14:00 | Cardiff v Barnsley | D | 1-1 |
| Club Friendly List | 2021/07/31 12:00 | Cardiff v Newport County | W | 2-0 |