The defending La Liga champs started Wednesday's contest at the Santiago Bernabeu with a 3-1 advantage after Sunday's first leg in Barcelona, reports Efe.
With superstar Cristiano Ronaldo serving a five-match ban and Gareth Bale on the bench, the Real Madrid attack was led by young Marco Asensio, who put the hosts up 1-0 in the 4th minute with a stunning strike from 30 yards out.
The Copa del Rey holders, still struggling to adjust to the departure of Neymar for Paris Saint-Germain, remained flat throughout the first half and Karim Benzema made it 2-0 for Real Madrid just before the break.
Bar?a looked somewhat better in the second half.
Lionel Messi and Luis Suarez each hit the crossbar as the visitors pressed hard for a goal to salve their pride, but the gap in quality between the two arch-rivals was just too big.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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