Real Madrid made it four wins on the bounce after a 3-1 victory over Leganes in their rescheduled Liga clash on Wednesday.
Madrid fell behind to Unai Bustinza's bundled finish early on, but Lucas Vazquez and Casemiro ensured Los Blancos went into half-time 2-1 up, before Sergio Ramos wrapped up the points from the penalty spot.
With games coming thick and fast, Zinedine Zidane elected to rest Keylor Navas, Cristiano Ronaldo and Gareth Bale, while Marcelo, Toni Kroos, Luka Modric were ruled out through injury.
Leganes famously knocked Madrid out of the Copa del Rey at the quarter-final stage last month and were hosting their nearby rivals midweek due to Los Merengues' participation at the Club World Cup.
Just six minutes in, the visitors' struggles to defend from set-pieces allowed Bustinza to capitalise on a knock-down in the six-yard area and bundle home.
Hopes of another upset were dashed, however, as Casemiro inadvertently nutmegged the ball for an unmarked Vazquez, who angled a finish across Ivan Cuellar.
The Brazilian then went from provider to goalscorer, capping off a one-touch move with aplomb after he was teed up beautifully by Isco.
Leganes gave their all in a bid to nick a draw, Kiko Casilla somehow turning away Claudio Beauvue's sliding finish from a yard out, but the cream eventually rose to the top.
However, that wasn't confirmed until injury time, when Mateo Kovacic was brought down in the box, although Ramos stepped up to bury the penalty in Cuellar's bottom-right corner.
Leganes 1-3 Real Madrid
Bustinza 6 (L) Vazquez 11, Casemiro 29, Ramos pen 90 (RM)
Leganes: Cuellar; Tito, Bustinza, Siovas (Mantovani 46), Diego Rico; Gabriel, Gumbau (Ruben Perez 46); El Zhar, Eraso, Omar (Amrabat 76); Beauvue
Real Madrid: Casilla; Carvajal, Varane, Ramos, Theo; Casemiro, Kovacic (Ceballos 90); Vazquez, Isco (Marcos Llorente 87), Asensio; Benzema (Bale 76)
Referee: Gonzalez Gonzalez