[4] Four finals were replayed after the first games ended in a draw,[5] with 26 others going to extra time and seven of those requiring a penalty shoot-out to decide a winner.

On 18 occasions, the winning team also won La Liga (which began in 1929) in the same season, thus making a domestic double.

Barcelona are the only team to win La Liga, the Copa del Rey and the UEFA Champions League in the same year, having done so twice in 2009 and 2015.

Of the teams who have participated in more than one final, Español de Madrid and Celta Vigo share the worst win–loss record with three defeats and no victories each.

[9] Messi and Busquets, along with Barcelona teammate Gerard Piqué and Agustín Gaínza of Athletic Bilbao, share the most Copa del Rey trophies won by a player, with 7.