Face à face
| 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 |
| Coupe Premier League U23 | 2018/02/01 13:16 | Cardiff City v Watford | D | 1-1 |
| England U23 Development League | 2018/01/15 13:00 | Watford v Cardiff City | W | 1-0 |
| England U23 Development League | 2017/10/23 17:59 | Cardiff City v Watford | L | 2-0 |
| England U23 Development League | 2017/05/03 12:59 | Watford v Cardiff City | W | 3-2 |
| England U23 Development League | 2017/03/06 19:00 | Cardiff City v Watford | L | 7-1 |