Ousmane Dembele and Martin Braithwaite secured a Copa del Rey 2-0 win over Cornella in extra time despite Ramon Juan's heroic performance as the goalkeeper made seven saves during the game, including two from the spot, denying Miralem Pjanic and Dembele.
were forced to extra time after missing two penalties throughout the game. The Catalan giants have now missed
five of their past eight penalties
in all competitions, four in a row, and the Dutch manager isn’t quite happy with the rate.
"The most important thing is always to go through, but we can't be happy because we scored goals,"
"We missed two penalties and you have to have more responsibility in these types of games.
"Again, 120 minutes, it's an important topic because we've had three games [like that] and that's on us. We created chances and two penalties... that cannot be.
"I can't complain about the effort but it's not only running, but also creating and being effective. It was really tough today. It cannot be and it can't be accepted.
"You have to win matches earlier. We missed two penalties, we had chances. It cannot be that a team like Barca misses so much.
"I don't understand it, either, because we usually have enough players who can score a penalty. It can be scary. I truly don't know why we've missed so many penalties. You can't miss two penalties as Barcelona players. This isn't serious."
will now travel to
for a La Liga game on Sunday.