Barcelona, May 10 -- Real Madrid have suffered a major setback ahead of Sunday's El Clasico after French superstar Kylian Mbappe was ruled out following a failed late fitness test, dealing a significant blow to Carlo Ancelotti's side in a potentially title-deciding clash against rivals FC Barcelona.

The 27-year-old Mbappe, who has been struggling with a muscle injury in his left leg, was unable to complete Saturday's training session with his teammates at Valdebebas and did not recover in time for the trip to Camp Nou.

Los Blancos announced their squad for the much-anticipated match with a post on X, and the name of the French forward was missing.

Madrid's medical staff and coaching team ultimately decided against taking any risks with...