Head to Head
| 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 |