Has there ever been a 15–13 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 15–13 is about 1 in 7,494,675,036,909,214,000.

Nearby scores

1. 16–12 Never
2. 16–13 Never
3. 16–14 Never
4. 15–12 Never
5. 15–13 Never
6. 15–14 Never
7. 14–12 Never
8. 14–13 Never
9. 14–14 Never