Face à face
| England U23 Development League | 2021/12/06 13:00 | Cardiff City v Watford | L | 4-0 |
| England U23 Development League | 2021/03/09 13:00 | Cardiff City v Watford | L | 4-0 |
| England U23 Development League | 2020/12/15 13:00 | Watford v Cardiff City | D | 2-2 |
| England U23 Development League | 2020/03/02 13:00 | Cardiff City v Watford | L | 3-1 |
| England U23 Development League | 2019/12/09 13:00 | Watford v Cardiff City | D | 1-1 |
| England U23 Development League | 2019/03/29 15:01 | Watford v Cardiff City | D | 0-0 |
| England U23 Development League | 2018/11/19 19:00 | Cardiff City v Watford | L | 2-0 |
| Coupe Premier League U23 | 2018/03/31 13:00 | Watford v Cardiff City | L | 0-4 |
Home History
| England U23 Development League | 2022/02/21 13:00 | Ipswich Town v Watford | L | 3-0 |
| Coupe Premier League U23 | 2022/02/17 13:30 | Birmingham v Watford | L | 3-0 |
| England U23 Development League | 2022/02/08 13:00 | Watford v Colchester | L | 1-2 |
| England U23 Development League | 2022/01/25 13:00 | Watford v Millwall | W | 2-0 |
| England U23 Development League | 2022/01/18 13:00 | Charlton Athletic v Watford | D | 1-1 |
| England U23 Development League | 2022/01/11 13:00 | Watford v Swansea City U21 | D | 0-0 |
| Coupe Premier League U23 | 2021/12/10 16:00 | Newcastle United v Watford | L | 2-1 |
| England U23 Development League | 2021/12/06 13:00 | Cardiff City v Watford | L | 4-0 |
Away History
| England U23 Development League | 2022/03/01 13:00 | Cardiff City v Bristol City | L | 1-3 |
| England U23 Development League | 2022/02/08 13:00 | Cardiff City v Queens Park | L | 0-2 |
| England U23 Development League | 2022/02/01 13:00 | Bristol City v Cardiff City | D | 3-3 |
| England U23 Development League | 2022/01/25 13:00 | Cardiff City v Swansea City U21 | D | 1-1 |
| England U23 Development League | 2022/01/11 11:00 | Cardiff City v Ipswich Town | L | 0-2 |
| England U23 Development League | 2021/12/10 12:30 | Millwall v Cardiff City | L | 1-0 |
| England U23 Development League | 2021/12/06 13:00 | Cardiff City v Watford | W | 4-0 |
| England U23 Development League | 2021/11/30 13:00 | Cardiff City v Colchester | W | 2-0 |