Barcelona defeated Sevilla 6-1 to qualify for the Copa Del Rey semi finals after losing the first leg 2-0.
Lionel Messi played a major role in the victory by scoring one and assisting the other after allowing Coutinho to open the scoring from the spot early in the first half.
Rakitic, Sergio Roberto and Suarez concluded the rout as Barcelona aim to win their fifth Copa Del Rey trophy in five years.
Barcelona are in the hunt for treble after sealing their place in the las four of the Cup and the last 16 of the Uefa Champions League.
Coutinho impressed after enduring a torrid last few weeks in the colours of Barcelona.