The Portuguese and Argentina shared the goals in the 4-2 Getafe. The fight for the top of the Spanish League is candela
The Barza and victory had secured a 2-0 to Osasuna at home on Wednesday to take the three points and adding 71 units, but Madrid is leading on goal difference. Both teams meet in two weeks at the Bernabeu.
The Portuguese international Cristiano Ronaldo opened the scoring for much less frenetic, but Casillas was again passed in the 80th when Pedro Leon took a loose ball to score with a low shot.
Getafe's bad night got worse in injury time after his coach Michel, former Real Madrid player was sent off the field to protest a referee's decision.
This is the tenth consecutive win in Madrid and completed a league record by scoring three or more goals in nine games Madrid in the 13th minute free kick, before the Argentine striker Higuain scoring twice to reach 23 in the season and give the visitors the 3-0 lead after 23 minutes of play.
Cristiano scored the fourth in the 37th with a spectacular shot and Daniel Parejo scored Getafe's first for a minute later after goalkeeper Iker Casillas helpless to stay outside the area.
The comfort control mothers with a second part straight, beating the mark of the season 1951-1952.
"The important thing was the win," Higuain said in a television interview.
"I'm very happy, but on Sunday we have another very important match we must win," he added.
Real Madrid gets in the Santiago Bernabeu stadium this weekend to Atletico Madrid, who faced later on Thursday at Athletic Bilbao.
The Madrid and Barcelona have 18 points ahead on third-placed Valencia, who beat Malaga 1-0 on Wednesday. Real Mallorca is in fourth place at six units of the whole "Che".