Has there ever been a 9–3 in all competitions?

Yes, 12 times.

The first time: October 3, 1891, Darwen beat Stoke City (Darwen 9–3 Stoke City) · Premier League.

The last time: October 15, 1972, AC Milan beat Atalanta (AC Milan 9–3 Atalanta) · Serie A, 54 years ago.

Home wins: 11. Away wins: 1.

Nearby scores

1. 10–2 7 times
2. 10–3 6 times
3. 10–4 3 times
4. 9–2 33 times
5. 9–3 12 times
6. 9–4 2 times
7. 8–2 95 times
8. 8–3 26 times
9. 8–4 8 times

All games

1. October 15, 1972 AC Milan 9–3 Atalanta · Serie A
2. January 24, 1965 Ajax 9–3 MVV · Eredivisie
3. November 16, 1963 Borussia Dortmund 9–3 1. FC Kaiserslautern · Bundesliga
4. February 24, 1949 Marte 9–3 Asturias · Liga MX
5. December 28, 1947 RC Strasbourg 9–3 Olympique Alès · Ligue 1
6. January 14, 1945 Valencia CF 9–3 Real Murcia · La Liga
7. December 19, 1943 España 9–3 Veracruz · Liga MX
8. October 30, 1938 Huracán 9–3 Tigre · Primera Argentina
9. November 24, 1935 Tigre 3–9 Independiente · Primera Argentina
10. December 8, 1934 Derby County 9–3 West Bromwich Albion · Premier League
11. October 17, 1931 Everton 9–3 Sheffield Wednesday · Premier League
12. October 3, 1891 Darwen 9–3 Stoke City · Premier League