Northern Ireland vs. Portugal in 1990-1991
| Scope | Played | Wins | Draws | Losses | GF | GA | ⌀ Elo +/- | ∑ Elo +/- |
|---|---|---|---|---|---|---|---|---|
| Total (incl. 1990-1991) | 10 | 0 | 3 | 7 | 8 | 34 | +2 | +23 |
| 1990-1991 | 2 | 0 | 0 | 2 | 1 | 13 | -2 | -3 |
| Date | Competition | NIR | PRT | Result | Elo +/- | |
|---|---|---|---|---|---|---|
| 1990/09/19 | Champions League  |
A | Portadown FC | FC Porto | 0 - 5 | -1 |
| 1990/10/03 | Champions League |
H | Portadown FC | FC Porto | 1 - 8 | -2 |