Head to Head
| 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 |
| England U23 Development League | 2017/05/03 12:59 | Watford U23 v Cardiff U23 | W | 3-2 |
| England U23 Development League | 2017/03/06 19:00 | Cardiff U23 v Watford U23 | L | 7-1 |
Home History
| England U23 Premier League Cup | 2019/12/02 19:00 | Everton U23 v Watford U23 | L | 3-0 |
| England U23 Development League | 2019/11/25 13:00 | QPR U23 v Watford U23 | W | 1-2 |
| England U23 Development League | 2019/11/18 13:00 | Charlton U23 v Watford U23 | L | 3-0 |
| England U23 Premier League Cup | 2019/11/10 12:02 | Fulham U23 v Watford U23 | W | 3-4 |
| England U23 Development League | 2019/11/04 13:00 | Watford U23 v Ipswich U23 | W | 3-0 |
| England U23 Development League | 2019/10/25 12:00 | Watford U23 v Colchester U23 | W | 3-1 |
| England U23 Development League | 2019/10/21 12:00 | Coventry U23 v Watford U23 | D | 1-1 |
| England U23 Development League | 2019/10/14 12:00 | Crystal Palace U23 v Watford U23 | W | 0-2 |
Away History
| England U23 Development League | 2019/11/25 13:00 | Cardiff U23 v Charlton U23 | D | 0-0 |
| England U23 Development League | 2019/11/11 13:00 | Bristol City U23 v Cardiff U23 | D | 2-2 |
| England U23 Development League | 2019/11/04 13:00 | Cardiff U23 v Birmingham U23 | L | 0-1 |
| England U23 Development League | 2019/10/28 19:00 | Cardiff U23 v Crystal Palace U23 | W | 3-0 |
| England U23 Development League | 2019/10/21 12:00 | Colchester U23 v Cardiff U23 | W | 0-2 |
| England U23 Development League | 2019/10/14 12:00 | Ipswich U23 v Cardiff U23 | L | 3-1 |
| England U23 Development League | 2019/10/07 12:00 | Cardiff U23 v Millwall U23 | W | 2-1 |
| England U23 Development League | 2019/09/16 12:00 | Sheff Wed U23 v Cardiff U23 | W | 2-3 |