The 1946 Copa de Competencia Británica Final was the match that decided the winner of the 3rd edition of this Argentine domestic cup. The game was played on December 14, 1946. Boca Juniors defeated San Lorenzo de Almagro 3–1 at Estadio Monumental, a neutral venue for the match.[1]
The cup was contested by clubs participating in the 1946 Argentine Primera División season, playing a round of 16 in neutral venues. Boca Juniors beat Vélez at Independiente Stadium, qualifying to the quarterfinals. After eliminating Rosario Central (4–1 at San Lorenzo Stadium) and River Plate (2–0 also in the Gasómetro), Boca reached the final of the competition, held at River Plate Stadium.
On the other hand, San Lorenzo eliminated Ferro Carril Oeste 5–1 at Vélez Sarsfield Stadium, then defeated arch-rival Huracán 2–0 at Ferro Carril Oeste, and Estudiantes de La Plata 1–0 in extra time at La Bombonera.[1]
With goals by Gregorio Pin (2) and José Antonio Vázquez, Boca defeating San Lorenzo in final, finally taking the title after losing in the finals two years consecutively to Huracán and Racing, respectively. Boca Juniors also managed to win the tournament without losing a game.[1]