Has there ever been a 14–4 in all competitions?

Never.

It would be a scorigami. Based on the average number of goals in all competitions, the chance of a game ending 14–4 is about 1 in 13,646,616,553.

Nearby scores

1. 15–3 Never
2. 15–4 Never
3. 15–5 Never
4. 14–3 Never
5. 14–4 Never
6. 14–5 Never
7. 13–3 Never
8. 13–4 Never
9. 13–5 Never