Barcelona and Real Madrid have six clashes last season and we can see each contest was an enthralling enjoyment for the fans. The game is the first El Clasico without Pep Guardiola since 2008, and for Tito Vilanova, it is also a game of revenge for Jose Mourinho's retina-prodding last season.

Barcelona line-up (4-3-3):Victor Valdes; Dani Alves, Gerard Pique, Javier Mascherano, Adriano; Xavi (Cesc Fabregas 83'), Sergio Busquets, Andres Iniesta; Pedro (Jordi Alba 87'), Lionel Messi, Alexis Sanchez (Cristian Tello 72')

Real Madrid line-up (4-2-3-1):Iker Casillas; Alvaro Arbeloa, Sergio Ramos, Raul Albiol, Fabio Coentrao; Xabi Alonso, Sami Khedira, Mesut Özil (Marcelo 82'), Jose Maria Callejón (Angel Di Maria 66'), Cristiano Ronaldo; Karim Benzema (Gonzalo Higuain 61')

The home team dominated in the first half, but it was changed in the second half by Cristiano Ronaldo’s shocked header. Real Madrid led the game in 55 minutes, Ozil whipped a corner from the right, Ronaldo then took it and headed a goal 10 yards from the post ahead of his marker Busquets. But just one minute later, Mascherano kicked out a forward pass for Pedro, who then fired low to score from far corner past Casillas, equalizing for Barcelona.

Real Madrid substituted Benzema with Higuain in 61 minutes, Iniesta was brought down by Ramos in the area eight minutes later, Barcelona got a penalty. In 70 minutes, Barca took the lead by Lionel Messi’s goal. He fired low into left corner past Casillas, and made expand one goal advantage for Barcelona.

Seven minutes later, Andres Iniesta past two defenders to deliver a excellent pass for Xavi, and Xavi makes it 3-1 for Barcelona!

In the 85th minute，Real Madrid pulled one goal back. Adriano handled a back pass, while Victor Valde fail to save and the ball was stolen by Di Maria, who then netted it into the un-guarded goal , the score turned to 3-2. After that, Casillas made a save in 87 minutes, how crucial it was! The score was unchanged until the final whistle.

Jose Mourinho thought that Barca's first goal was lack of legality."Barca played well, especially in the first-half when they did not allow us to play, but in the second we were able to change our game a little. It was a good game but their first goal was an error by the linesman and was offside," he said. While Barcelona new Coach Tito Vilanova was delighted about his side's performance.

The second leg will start in six days at Bernabeu, and that will be a game in which anything can happen.