| Champions League | M. | W | D | L | goals | |||
| at home | 1 | 0 | 0 | 1 | 1 | : | 8 | |
| Away | 1 | 0 | 0 | 1 | 0 | : | 5 | |
| ∑ | 2 | 0 | 0 | 2 | 1 | : | 13 | |
| overall | M. | W | D | L | goals | |||
| at home | 1 | 0 | 0 | 1 | 1 | : | 8 | |
| Away | 1 | 0 | 0 | 1 | 0 | : | 5 | |
| Neutral Place | 0 | 0 | 0 | 0 | 0 | : | 0 | |
| ∑ | 2 | 0 | 0 | 2 | 1 | : | 13 | |
| Champions League | |||||
| 1990/1991 | 1. Round | Portadown FC | - | FC Porto | 1:8 (1:4) |
| 1990/1991 | 1. Round | FC Porto | - | Portadown FC | 5:0 (3:0) |
|
For games that were decided on penalties the score after 120 minutes will be included in the ranking |
Northern Ireland ![Portadown FC [Youth B]](https://s.hs-data.com/bilder/wappen/mini/28523.gif?fallback=png "Portadown FC [Youth B]"){kind=small}