LaLiga Promises will be gifted with a Clasico final as Real Madrid will play Barcelona at 13:30 local time on Sunday after Espanyol and Sevilla, respectively, were seen off in the semi-finals.
Barcelona beat the Andalusians in the first with some ease as their quality proved too much to handle.
Espanyol started the brighter against Madrid and scored after two minutes, but Los Blancos fought back to fight their way into the final.