Real will take a 0-0 draw to the Santiago Bernabeu for the second-leg.
"It is true that the artificial turf did not help us because we are not used to playing on it. We struggled in possession, but I think we had three clear chances to score. We did not have a good match but it was not a bad one," said Ancelotti.
"The match was difficult. There were a lot of throw-ins and a lot of long balls, and we tried to play. But it was not easy on this field. It was a difficult match."
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