Flick's tactical approach, featuring an extremely high defensive line, also seemed ripe for Mbappe and Vinicius to pillage with their pace.
"Real Madrid strongly condemns any kind of behaviour involving racism, xenophobia or violence in football and sport, and deeply regrets the insults that a few fans uttered last night in one of the corners of the stadium," said Los Blancos in a statement Sunday.
"We are hurt, it's a tough moment, but I want to thank the fans for their support. We don't have to throw everything away, because there is nothing to throw away," added a downhearted Ancelotti.
The Catalan giants triumphed at the Santiago Bernabeu to snap Madrid's run of 42 matches unbeaten and continue their own revival under the German coach who arrived this summer.
Robert Lewandowski struck twice in two minutes as Barcelona crushed rivals Real Madrid 4-0 on Saturday, inflicting the Spanish champions' first La Liga defeat in over a year.
Defending champions Real Madrid are set to host archrivals Barcelona in a LaLiga game at the Santiago Bernabeu tonight.
Kylian Mbappe's start at Real Madrid has been satisfactory, his performances neither spectacular nor underwhelming, but Saturday's La Liga Clasico offers the French superstar a springboard to kick on from.
The viral social media campaign before the September 29 clash encouraged Atletico fans to arrive at the club's Metropolitano stadium and utter "degrading and discriminatory insults with racist connotations" against a Real player, police said.
Real Madrid duo Thibaut Courtois and Rodrygo are likely to miss the Clasico clash with La Liga leaders Barcelona on Saturday with injury problems.
Laporta demanded the Spanish football federation and the refereeing committee send Barcelona all footage of the incident and audio recordings of the officials' conversations.
The coach was furious after Lamine Yamal had a shot which Barcelona said crossed the line not given as a goal after officials could not prove that it had using VAR.
Jude Bellingham snatched Real Madrid a dramatic 3-2 Clasico win over champions Barcelona on Sunday to take them 11 points clear at the top of La Liga with six matches remaining.
The last chance saloon has opened its doors early for Barcelona as they travel to the capital on Sunday aiming to hold off Real Madrid's LaLiga title run in a desperate effort to stay alive in the race for the only remaining major silverware they can win.
Vinicius Junior struck a first-half hat-trick to fire Real Madrid to Spanish Super Cup glory in a thumping 4-1 win over rivals Barcelona on Sunday in Saudi Arabia.
Brazilian forward Vinicius Junior has signed a new contract with Real Madrid that runs until 2027, the Spanish club announced on Tuesday.
Barcelona and the Rolling Stones have joined forces and the club's kit will feature the band's famous tongue and lips logo for next week's Clasico against Real Madrid, the LaLiga club announced on Thursday.
Polish international Lewandowski, 35, was on the receiving end of a crunching tackle from Porto's David Carmo in the first half of Barca's 1-0 win on Wednesday.
Real Madrid striker Karim Benzema became the first Los Blancos player in 60 years to have scored a hat-trick against Barcelona at Camp Nou after Ferenc Puskas did the same in 1963.
Xavi Hernandez admitted it would be hard to sleep after Real Madrid outclassed his Barcelona side in a 4-0 Copa del Rey at Camp Nou on Wednesday.