Barcelona manager Luis Enrique believes Atletico Madrid will provide his team with a difficult challenge in their Copa del Rey semi-final.
Atletico knocked the Catalans out of the Champions League last season, and have become a familiar challenger for Enrique and his side.
However, the Barca boss still feels an element of surprise could come into play between the two sides at the Vicente Calderon on Thursday.
"Of course we can surprise [Atletico]," he said in a news conference on Tuesday. "We will both have to do different things to previous games, although I don't see Simeone changing much in terms of style; I don't think we will, either.
"We know the Atletico side that keep things tight and close off space, but now they can be a little more daring. They press high and they're one of the best teams in the European market. It will be difficult."
He added: "It could go either way, [their form in the league] could force them to focus [on the Copa del Rey] or the dynamic they find themselves in could take its toll on them.
"But, overall, I don't think it works like that at teams like Atletico. I think they're still a rival in the league and, of course, in the cups."