| Champions League | M. | W | D | L | goals | |||
| at home | 3 | 1 | 2 | 0 | 7 | : | 3 | |
| Away | 3 | 1 | 1 | 1 | 2 | : | 2 | |
| ∑ | 6 | 2 | 3 | 1 | 9 | : | 5 | |
| Europa League | M. | W | D | L | goals | |||
| Away | 1 | 0 | 1 | 0 | 3 | : | 3 | |
| ∑ | 1 | 0 | 1 | 0 | 3 | : | 3 | |
| Cup Winners Cup | M. | W | D | L | goals | |||
| at home | 1 | 1 | 0 | 0 | 5 | : | 2 | |
| Away | 1 | 0 | 0 | 1 | 0 | : | 4 | |
| ∑ | 2 | 1 | 0 | 1 | 5 | : | 6 | |
| overall | M. | W | D | L | goals | |||
| at home | 4 | 2 | 2 | 0 | 12 | : | 5 | |
| Away | 5 | 1 | 2 | 2 | 5 | : | 9 | |
| Neutral Place | 0 | 0 | 0 | 0 | 0 | : | 0 | |
| ∑ | 9 | 3 | 4 | 2 | 17 | : | 14 | |
| Europa League | |||||
| 2024/2025 | League phase | FC Porto | - | Manchester United | 3:3 (2:2) |
| Cup Winners Cup | |||||
| 1977/1978 | 2. Round | Manchester United | - | FC Porto | 5:2 (3:1) |
| 1977/1978 | 2. Round | FC Porto | - | Manchester United | 4:0 (2:0) |
|
For games that were decided on penalties the score after 120 minutes will be included in the ranking |
England 
![Manchester United WFC [Women]](https://s.hs-data.com/bilder/wappen/mini/28007.gif?fallback=png "Manchester United WFC [Women]"){kind=small}
![Manchester United [U18]](https://s.hs-data.com/bilder/wappen/mini/28105.gif?fallback=png "Manchester United [U18]"){kind=small}
![Manchester United [U16]](https://s.hs-data.com/bilder/wappen/mini/41299.gif?fallback=png "Manchester United [U16]"){kind=small}
![Manchester United [Youth]](https://s.hs-data.com/bilder/wappen/mini/16321.gif?fallback=png "Manchester United [Youth]"){kind=small}
![Manchester United [Youth B]](https://s.hs-data.com/bilder/wappen/mini/18037.gif?fallback=png "Manchester United [Youth B]"){kind=small}
