Dortmund lost 4-0 in the first game. So they played strong against Barcelona. Dortmund attacked early and surprised Barcelona.

Barcelona's coach, Hansi Flick, knows Dortmund. He said the fans make it hard to play there. He knew the game would be difficult, even if his team was winning by four goals.

"I thought this would happen," Flick said. "Dortmund played well. My team is in the next round."

The Barcelona players Raphinha and Robert Lewandowski did not score goals.

Guirassy is very important for Dortmund, said coach Niko Kovac. He is a good player.

Dortmund lost the game. Two players, Emre Can and Carney Chukwuemeka, were hurt and could not play.

For a time, Guirassy played very well.

Guirassy missed some chances before. But he scored a goal from the penalty. The Barcelona goalkeeper hit Pascal Gross, and then Guirassy took the penalty.

Guirassy scored with his head. It was 2-0. Then, a player from Dortmund, Bensebaini, scored in his own goal. It was now very hard for Dortmund.

Guirassy scored his third goal in the game.

Dortmund hoped to win, but Barcelona won the game.

Barcelona is in the semifinals. They will play against Inter Milan or Bayern Munich. PSG is also in the semifinals.

Barcelona lost a game. It was their first loss in a long time.

Dortmund will not play in the Champions League soon.

Last year, the team was second in the Champions League. Now they are eighth in their league. There are five games left. They need six more points to play in the Champions League next year.