Kylian Mbappe had the ball in the back of the net twice against FC Barcelona. But both times, he was ruled out offside. Ultimately, that is the closest Real Madrid would come to breaching the defence of Hansi Flick’s high-flying side who got themselves a statement 4-0 win at Santiago Bernabeu thanks to a brace from Robert Lewandowski as well as goals from Lamine Yamal and Raphinha.