Barcelona, who are desperately trying to force their way back into the title race, matched Madrid's result with a 1-0 win of their own at third-bottom Cadiz.

Joao Felix's clever overhead late in the first half secured the points as coach Xavi Hernandez made sweeping changes to the team that beat Paris Saint-Germain 3-2 in the first leg of their Champions League quarter-final.

The Portugal international led the attack in the absence of the suspended Robert Lewandowski, acrobatically hooking in the only goal after a Cadiz defender's looping header from a corner fell directly to him.

Fermin Lopez had an effort scrambled off the line and Marc-Andre ter Stegen's sprawling save to claw away a Diadie Samassekou piledriver preserved a sixth successive clean sheet in the league for the visitors.