Has there ever been a 10–4 in all competitions?

Yes, 3 times.

The first time: October 28, 1945, Atlante beat Monterrey (Atlante 10–4 Monterrey) · Liga MX.

The last time: October 11, 1958, Tottenham Hotspur beat Everton (Tottenham Hotspur 10–4 Everton) · Premier League, 68 years ago.

Home wins: 3. Away wins: 0.

Nearby scores

1. 11–3 2 times
2. 11–4 Never
3. 11–5 Never
4. 10–3 6 times
5. 10–4 3 times
6. 10–5 Never
7. 9–3 12 times
8. 9–4 2 times
9. 9–5 2 times

All games

1. October 11, 1958 Tottenham Hotspur 10–4 Everton · Premier League
2. November 18, 1945 Huracán 10–4 Rosario Central · Primera Argentina
3. October 28, 1945 Atlante 10–4 Monterrey · Liga MX