| Professional Development League | M. | W | D | L | goals | |||
| at home | 4 | 1 | 1 | 2 | 4 | : | 8 | |
| Away | 4 | 1 | 1 | 2 | 7 | : | 12 | |
| ∑ | 8 | 2 | 2 | 4 | 11 | : | 20 | |
| overall | M. | W | D | L | goals | |||
| at home | 4 | 1 | 1 | 2 | 4 | : | 8 | |
| Away | 4 | 1 | 1 | 2 | 7 | : | 12 | |
| Neutral Place | 0 | 0 | 0 | 0 | 0 | : | 0 | |
| ∑ | 8 | 2 | 2 | 4 | 11 | : | 20 | |
| Professional Development League | |||||
| 2023/2024 | 9. Round | Watford FC U23 | - | Swansea City U23 | 0:5 (0:2) |
| 2023/2024 | 3. Round | Swansea City U23 | - | Watford FC U23 | 4:4 (3:1) |
| 2022/2023 | 7. Round | Watford FC U23 | - | Swansea City U23 | 2:3 (0:2) |
| 2022/2023 | 3. Round | Swansea City U23 | - | Watford FC U23 | 4:0 (2:0) |
| 2021/2022 | 6. Round | Watford FC U23 | - | Swansea City U23 | 0:0 (0:0) |
| 2021/2022 | 3. Round | Swansea City U23 | - | Watford FC U23 | 2:0 |
| 2020/2021 | 7. Round | Watford FC U23 | - | Swansea City U23 | 2:0 |
| 2020/2021 | 4. Round | Swansea City U23 | - | Watford FC U23 | 2:3 |
|
For games that were decided on penalties the score after 120 minutes will be included in the ranking |
England 
![Watford FC [U18]](https://s.hs-data.com/bilder/wappen/mini/29037.gif?fallback=png "Watford FC [U18]"){kind=small}
![Watford FC [Youth]](https://s.hs-data.com/bilder/wappen/mini/28044.gif?fallback=png "Watford FC [Youth]"){kind=small}
![Watford FC [Youth B]](https://s.hs-data.com/bilder/wappen/mini/27349.gif?fallback=png "Watford FC [Youth B]"){kind=small}