Usually derby matches are very difficult to predict,
Just clarifying the difference between Derby and El Clasico so that no one confuses the two.
A derby is a match between two teams from the same city or region. Derby matches are always fierce because the team that manages to dominate Derby will be labeled as the ruler of the region. Examples include the Manchester derby, North London derby, Milan derby, Madrid derby and Catalan derby. The derby that I mentioned above is a match between two teams from the same city.
Meanwhile, El Clasico cannot be said to be a Derby. Barcelona is based in Catalan, while Real Madrid is the symbol of the city of Madrid, the two cities are very far apart. The term El Clasico has been around for many years, due to the rivalry between the two teams in La Liga, their meetings always present high-tension matches.
Barcelona is currently leading 1-0 over Real Madrid. There is still time for Real Madrid to catch up. I also saw the surprise that Xavi made in the starting eleven, he installed Joao Cancelo in the right winger position. The strategy used by Xavi was able to dampen Real Madrid game, at least there has been no attempt by Real Madrid to endanger Barcelona goal.