Has there ever been a 6–4 in the Primeira Liga?

Never.

It would be a scorigami. Based on the average number of goals in the Primeira Liga, the chance of a game ending 6–4 is about 1 in 11,115.

Nearby scores

1. 7–3 Never
2. 7–4 Never
3. 7–5 Never
4. 6–3 1 time
5. 6–4 Never
6. 6–5 Never
7. 5–3 13 times
8. 5–4 Never
9. 5–5 Never