The 1919 Copa del Rey Final was an association football match between Arenas Club de Getxo and FC Barcelona on 18 May 1919 at the Martínez Campos stadium in Madrid. It was the deciding match of the Spanish cup competition, the Copa del Rey. Both teams progressed through a quarterfinal and a semifinal round to reach the final, with Barcelona going undefeated throughout the tournament. Arenas de Getxo defeated Barcelona 5–2 and won their first title. Félix Sesúmaga proved crucial for the victors, scoring two goals in normal time and another in extra time to help Arenas to a 5–2 win. Route to the final Both teams had qualified to the Copa del Rey as champions of their regional leagues, with Arenas winning the Biscay Championship and Barcelona winning the Catalan Championship. Arenas had previously reached the final in 1917, losing 2–1 in a replay match to Madrid FC. Barcelona had won the competition three times in 1910, 1912, and 1913. In the quarterfinals, Arenas won the first leg against Racing de Madrid 8–2, with Félix Sesúmaga scoring seven goals. Arenas took an early lead by scoring four goals in the first five minutes and Racing could not come back even though they dominated possession in the second half. The second leg was won by Racing 0–2. Arenas had controlled the first half and part of the second, but missed many clear chances to score (including a penalty kick). Under the rules at the time, goal difference was not used as a tie-breaker, and so a replay match was played 3 days after the second leg. The day of the rematch it rained heavily and, though the pitch did not have proper drainage facilities, the match was played. Arenas won 3–0. After the match, the captain of the Racing lodged a protest accusing the referee of clear partiality towards the hosts. According to him, none of the goals were valid (the first being called offside by the assistant referee, the second due to a controversial continuation of play after a rough foul by an Arenas player, and the third as result of a controversial handball call). Additionally, the captain felt that the match should have been postponed due to the weather, with both an assistant referee and the representatives of the Central Spanish Federation believing the pitch conditions were not suitable for play. Arenas then faced Real Vigo Sporting, a