The pressure continues to mount on head coach Julen Lopetegui, whose side slumped to a 2-0 deficit at home against Levante, despite enjoying the majority of the pressure in the game.
Los Blancos are winless in their last four games in all competitions and haven't scored in any of those games, making it just the third time in the club's entire history that they have failed to score in four games and the first time since 1985.
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It took only six minutes for Levante to strike, Sergio Postigo's long ball completely missed by Raphael Varane, allowing captain Jose Luis Morales to round Thibaut Courtois and slide into an empty net. Varane handled when trying to challenge Marti, and after a lengthy VAR review led to a penalty award, the striker took the spot-kick himself and beat Courtois, who got a hand on it.
The Champions League holders have not won any of their last four matches, which included a 3-0 humbling at the hands of Sevilla as well as losing away to CSKA Moscow in Europe.
A trip to Barcelona is next for El Clasico after a midweek Champions League visit from Viktoria Plzen.
Marcelo ended the streak in the second half at Santiago Bernabeu Stadium, but the negative milestone had already been set, coming three months after Ronaldo left to join Juventus.
Also helped by his woodwork which Madrid struck three times, Olazabal made 11 saves, his best being a close-range block with his leg on Vazquez just before the break.
In the 11 games they played under the former B team boss, the Valencian outfit won eight, scoring 24 goals in that run of games.