Real Madrid advanced to Copa Del Rey quarter-finals after beating Real Zaragoza 4-0 on Wednesday night.
Raphael Varane gave the visitors an early lead while Lucas Vazquez extended the lead to 2-0 before half-time.
Zaragoza had some success in midfield but Los Blancos were the better side as the two early goals boosted their moral to control the game.
The visitors made several efforts to keep scoring in the second half but Luka Jovic, James Igbekeme, Kagawa and Inigo Eguaras all missed their chances.
Then Rodriguez combined with Vinicius to score the third goal before substitute Benzema made the score 4-0.
Brahim Diaz tried for five with a late effort that flew over the goal while Zaragoza failed in their attempts to score a consolation goal.
Next, Los Blancos will host Atletico Madrid in La Liga clash on Saturday. Zaragoza visit Cadiz on Sunday.