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 | W | 2-0 |
| England U23 Premier League Cup | 2018/03/31 13:00 | Watford U23 v Cardiff U23 | W | 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 | L | 1-0 |
| England U23 Development League | 2017/10/23 17:59 | Cardiff U23 v Watford U23 | W | 2-0 |
| England U23 Development League | 2017/05/03 12:59 | Watford U23 v Cardiff U23 | L | 3-2 |
| England U23 Development League | 2017/03/06 19:00 | Cardiff U23 v Watford U23 | W | 7-1 |
Home History
| 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 |
| England U23 Development League | 2019/09/09 12:00 | Cardiff U23 v Bolton U23 | W | 1-0 |
| England U23 Development League | 2019/08/30 18:00 | Nottm Forest U23 v Cardiff U23 | L | 4-1 |
| England U23 Development League | 2019/08/20 11:00 | Barnsley U23 v Cardiff U23 | L | 3-1 |
| England U23 Development League | 2019/08/12 12:00 | Cardiff U23 v Sheff Utd U23 | L | 1-3 |
Away History
| 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 |
| England U23 Development League | 2019/10/09 12:00 | Crewe U23 v Watford U23 | W | 1-4 |
| England U23 Premier League Cup | 2019/10/03 18:00 | Plymouth U23 v Watford U23 | D | 1-1 |
| England U23 Development League | 2019/09/26 13:00 | Watford U23 v Wigan U23 | L | 1-4 |
| England U23 Development League | 2019/09/20 12:00 | Watford U23 v Bristol City U23 | W | 2-1 |
| England U23 Development League | 2019/09/16 18:00 | Leeds U23 v Watford U23 | L | 6-0 |
| England U23 Development League | 2019/08/23 12:00 | Watford U23 v Sheff Wed U23 | W | 3-1 |