Head to Head
| England - U23 Development League | 2020/03/02 13:00 | Cardiff U23 v Watford U23 | L | 3-1 |
| England - U23 Development League | 2019/12/09 13:00 | Watford U23 v Cardiff U23 | D | 1-1 |
| England - U23 Development League | 2019/03/29 15:01 | Watford U23 v Cardiff U23 | D | 0-0 |
| England - U23 Development League | 2018/11/19 19:00 | Cardiff U23 v Watford U23 | L | 2-0 |
| England - U23 Premier League Cup | 2018/03/31 13:00 | Watford U23 v Cardiff U23 | L | 0-4 |
| England - U23 Premier League Cup | 2018/02/01 13:16 | Cardiff U23 v Watford U23 | D | 1-1 |
| England - U23 Development League | 2018/01/15 13:00 | Watford U23 v Cardiff U23 | W | 1-0 |
| England - U23 Development League | 2017/10/23 17:59 | Cardiff U23 v Watford U23 | L | 2-0 |
Home History
| England - U23 Development League | 2020/12/01 13:00 | Ipswich U23 v Watford U23 | L | 3-0 |
| England - U23 Development League | 2020/11/06 13:00 | Watford U23 v Sheff Utd U23 | L | 0-3 |
| England - U23 Development League | 2020/10/30 14:00 | Birmingham U23 v Watford U23 | W | 2-3 |
| England - U23 Development League | 2020/10/23 12:00 | Watford U23 v Coventry U23 | L | 0-3 |
| England - U23 Development League | 2020/10/19 18:00 | Nottm Forest U23 v Watford U23 | L | 4-0 |
| England - U23 Development League | 2020/10/02 13:00 | Watford U23 v Bristol City U23 | L | 0-4 |
| England - U23 Development League | 2020/09/28 13:00 | Charlton U23 v Watford U23 | W | 2-3 |
| England - U23 Development League | 2020/09/21 12:00 | Millwall U23 v Watford U23 | D | 2-2 |
Away History
| England - U23 Development League | 2020/11/28 11:00 | Colchester U23 v Cardiff U23 | L | 2-0 |
| England - U23 Development League | 2020/11/25 11:00 | Millwall U23 v Cardiff U23 | L | 2-0 |
| England - U23 Development League | 2020/11/01 13:30 | Crewe U23 v Cardiff U23 | L | 1-0 |
| England - U23 Development League | 2020/10/27 13:00 | Cardiff U23 v Hull U23 | W | 2-0 |
| England - U23 Development League | 2020/10/20 13:00 | Sheff Wed U23 v Cardiff U23 | L | 1-0 |
| England - U23 Development League | 2020/10/06 12:00 | Ipswich U23 v Cardiff U23 | L | 2-1 |
| England - U23 Development League | 2020/09/22 12:00 | Cardiff U23 v Bristol City U23 | L | 1-2 |
| England - U23 Development League | 2020/09/14 12:00 | Swansea U23 v Cardiff U23 | L | 5-1 |