Face à face
| 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 |
Home History
| England U23 Development League | 2018/03/29 12:02 | Watford v Ipswich Town | W | 2-1 |
| England U23 Development League | 2018/03/26 11:59 | Crewe Alexandra v Watford | D | 0-0 |
| England U23 Development League | 2018/03/19 14:02 | Watford v Sheffield | D | 1-1 |
| England U23 Development League | 2018/03/12 13:00 | Ipswich Town v Watford | D | 0-0 |
| England U23 Development League | 2018/03/05 19:01 | Watford v Charlton Athletic | L | 1-2 |
| England U23 Development League | 2018/02/19 13:01 | Millwall v Watford | W | 0-3 |
| Coupe Premier League U23 | 2018/02/12 19:02 | Watford v Blackburn Rovers (R) | L | 0-1 |
| England U23 Development League | 2018/02/09 13:01 | Watford v Coventry City Reserve | D | 3-3 |
Away History
| England U23 Development League | 2018/03/29 12:00 | Colchester v Cardiff City | W | 0-3 |
| England U23 Development League | 2018/03/23 13:02 | Leeds United Reserve v Cardiff City | L | 3-0 |
| England U23 Development League | 2018/03/19 19:02 | Cardiff City v Bolton | L | 0-3 |
| England U23 Development League | 2018/03/13 13:01 | Crystal Palace v Cardiff City | L | 4-0 |
| England U23 Development League | 2018/03/08 13:45 | Cardiff City v Ipswich Town | D | 0-0 |
| Coupe Premier League U23 | 2018/02/22 12:06 | Cardiff City v Blackburn Rovers (R) | L | 0-3 |
| England U23 Development League | 2018/02/19 13:00 | Bristol City v Cardiff City | L | 1-0 |
| England U23 Development League | 2018/02/15 13:57 | Cardiff City v Coventry City Reserve | W | 2-0 |