Has there ever been a 15–11 in the Primera Argentina?

Never.

It would be a scorigami. Based on the average number of goals in the Primera Argentina, the chance of a game ending 15–11 is about 1 in 69,949,861,749,784,620.

Nearby scores

1. 16–10 Never
2. 16–11 Never
3. 16–12 Never
4. 15–10 Never
5. 15–11 Never
6. 15–12 Never
7. 14–10 Never
8. 14–11 Never
9. 14–12 Never