Has there ever been a 10–0 in the Primera Argentina?

Yes, 6 times.

The first time: May 16, 1897, Lomas Athletic beat Belgrano Athletic (reservas) (Lomas Athletic 10–0 Belgrano Athletic (reservas)).

The last time: August 14, 1975, Rosario Central beat Racing Club (Racing Club 0–10 Rosario Central), 51 years ago.

Home wins: 3. Away wins: 3.

Nearby scores

1. 11–0 4 times
2. 11–1 3 times
3. 10–0 6 times
4. 10–1 7 times
5. 9–0 12 times
6. 9–1 10 times

All games

1. August 14, 1975 Racing Club 0–10 Rosario Central
2. April 7, 1929 Estudiantes de La Plata 10–0 Defensores de Belgrano
3. April 4, 1920 Estudiantes de Buenos Aires 0–10 Independiente
4. July 5, 1903 Flores Athletic 0–10 Alumni
5. August 3, 1902 Alumni 10–0 Belgrano Athletic
6. May 16, 1897 Lomas Athletic 10–0 Belgrano Athletic (reservas)