Bundesliga leaders Bayern Munich face Borussia Dortmund on Saturday with relations between the German heavyweights seemingly at an all-time low.
Mats Hummels scored with a header in the 14th minute to give Germany a 1-0 victory over France in the first quarter-final of the World Cup at the Maracana, in Brazil, on Friday.
Bayern Munich had to put their Bundesliga title celebrations on hold on Saturday after beating gutsy Mainz 05 2-0 while Borussia Dortmund also won, 3-0 at Hanover 96.
A brilliant performance from Angel Di Maria spurred Argentina to a crushing 4-2 friendly win over world champions Germany on Wednesday in an entertaining rematch of July's World Cup final.
Real Madrid tore apart Bayern Munich's ragged defence with a ruthless first-half display as they thrashed the defending champions 4-0 in their own stadium to reach their first Champions League final for 12 years.
Atletico Madrid were handed a chance to avenge last season's Champions League final defeat by city rivals and record 10-times winners Real after the two sides were drawn together in the last eight on Friday. Paris St Germain and Barcelona were paired together having met in the group stage, with the French side winning in Paris and the Catalans coming out on top in Spain.
Arsenal will have to produce the biggest second leg comeback in a Champions League knockout tie to avoid a seventh successive exit at the last 16 stage when they host Bayern Munich on Tuesday.
Bayern Munich booked their fifth successive Champions League semi-final spot with a 2-2 draw at Benfica on Wednesday to seal a 3-2 aggregate victory that kept the Germans on course for a treble of titles.
Neymar's hat-trick lit up a powerful Brazil performance as the 32 nations taking part in this year's World Cup tested out their squads on a busy night of friendlies on Wednesday which also brought victories for Spain, Germany and France.
The 2014 World Cup was a captivating carnival of football with high drama and Germany displayed their credentials as worthy champions.
World Cup winners Germany are no mood to experiment against minnows Gibraltar in their Euro 2016 qualifier on Friday, promising a goal bonanza to make amends for recent poor results.
Barcelona's Luis Suarez netted twice for a 2-1 win over 10-man Atletico Madrid in their Champions League quarter-final, first leg on Tuesday after the visitors' Fernando Torres opened the scoring and was later sent off.
Alexis Sanchez had equalised for the visitors, scoring on the rebound after Manuel Neuer saved his 30th-minute penalty but the Gunners suffered when captain Laurent Koscielny limped off injured to leave the defence exposed.
Images from the UEFA Champions League matches played on Wednesday
Bayern Munich put upstarts RB Leipzig firmly in their place by sweeping to an emphatic 3-0 home win, with all the goals coming in the first half, in a disappointingly one-sided top-of-the-table Bundesliga clash on Wednesday.
Neymar scored twice as Barcelona reached the Champions League semi-finals.
Two late goals in two minutes from Sergi Roberto and Luis Suarez gave European champions Barcelona a dramatic 2-1 win over Bayer Leverkusen in the Champions League on Tuesday.
Ruthless Bayern Munich scored five goals in the first 35 minutes on the way to a 7-1 demolition of AS Roma on Tuesday which bore an uncanny resemblance to Germany's win over Brazil by the same score in the World Cup semi-final.
Barcelona forward Lionel Messi equalled the Champions League scoring record of 71 goals when he struck for the second time in the 76th minute of Wednesday's Group F match at Ajax Amsterdam.