Ancelotti said he was in awe of Endrick's remarkable skill after the 18-year-old Brazilian scored the winner and fired a brilliant strike off the post.
Real Madrid started brightly despite manager Carlo Ancelotti resting several key players and it took them 19 minutes to break the deadlock, with 18-year-old Brazilian Endrick providing a tidy finish from a counter-attack.
As the game looked destined for a penalty shootout, 18-year-old substitute Endrick worked his magic to give the lead back to the home side with a sharp swivel and shot from the edge of the box in the 108th minute.
"He is able to do things that no-one can think of," Ancelotti said after the 18-year-old Endrick became the youngest Real Madrid player to score in any official international competition.
Carlo Ancelotti has warned Kylian Mbappe and Endrick of the standards expected each and every time they put on a Real Madrid shirt.
The goal made Endrick the youngest foreign player to score for Madrid in the Spanish league at 18 years, 35 days, surpassing Frenchman Raphael Varane, who was 18 years, 152 days when he scored in 2011.
Chelsea-bound teenager Estevao Willian received his first Brazil call-up on Friday as the 17-year-old was named in the squad for next month's 2026 World Cup qualifiers against Ecuador and Paraguay.
Brazilian forward Endrick shed tears of pride after signing a six-year contract with Real Madrid, days after celebrating his 18th birthday.
Endrick has revealed that his father wanted to name him after a Real Madrid icon - but that his mother blocked it.
Brazil has an embarrassment of riches in this category, but the feature man is Vinicius Jr., who some believe is the current best player in the world after leading Real Madrid to yet another Champions League title.
"I'm very grateful to God for another opportunity to score for the national team," said Endrick.
Teen phenomenon Endrick was named in Brazil's Copa America squad on Friday by coach Dorival Junior but there was no place for Neymar, who has been sidelined since suffering a serious knee injury on international duty in October.
Brazil snatched a late leveller to share an entertaining and occasionally heated 3-3 friendly draw with Spain on Tuesday.
The teenager, who will join Real Madrid from Palmeiras when he turns 18 in July, became the youngest male player to score at the iconic stadium as he gave Dorival a win in his first match in charge of the five-times world champions.
The five-times World Cup winners are renowned for their "jogo bonito" philosophy and reputation of churning out the world's most talented players, the latest being 17-year-old starlet Endrick who scored against England on Saturday.
Brazil's new boss Dorival Junior started his bid to revive the five-time world champions with a 1-0 win against England as teenage sensation Endrick bagged his first international goal in Saturday's friendly at Wembley.
"I just want to be Endrick. I want to show them who Endrick is," he told AFP in an interview at an event with a new sponsor in Sao Paulo.
"I know no one can even touch the feet of Pele. He's the King of football," says the young forward, who just helped Sao Paulo club Palmeiras to a second straight Brazilian league title and will join Real Madrid next year when he turns 18.
