Luis Enrique's side were held scoreless in regular time by the Europa League champions
Barcelona secured a second consecutive domestic double last night with a 2-0 extra time victory over Sevilla.
Goals from Jordi Alba and Neymar were enough to secure the victory during an ill-tempered game in which three players were sent off as well as 13 bookings over the course of the 120 minutes.
Javier Mascherano was the first to be dismissed after bringing down Kévin Gameiro, denying him a clear goalscoring opportunity.
The sides were levelled up heading into extra time when Ever Banega hauled down Neymar on the edge of the box and was given his marching orders.
Alba opened the scoring during the first half of additional time after this sublime Lionel Messi pass:
Barcelona secured the win in the final minute with this neat finish:
WATCH: Neymar's goal which put the gloss on Barcelona's Copa del Rey win. Messi the architect. Reaction on SS1 NOW. https://t.co/NiUREdctd1— Sky Sports La Liga (@revistadelaliga) May 22, 2016