Madrid had their third after 57 minutes when Cristiano Ronaldo finished from close range. Dortmund improved as the half progressed, but could not make the breakthrough in the latter stages.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
MADRID: Casillas; Carvajal, Pepe, Ramos, Coentrao; Alonso, Modric, Isco; Ronaldo, Benzema, Bale
DORTMUND: Weidenfeller; Piszcek, Durm, Sokratis, Hummels; Kehl, Sahin; Grosskreutz, Aubameyang, Mhkitaryan; Reus
As much as I love Dortmund's philosophy and Klopp as a coach. Injuries and lack of form in key areas makes Real Madrid a shoe in to progress— Joseph Barton (@Joey7Barton) April 2, 2014
Madrid v Dortmund teamsheet... UEFA reckon Reus on wing, Aubameyang up top... pic.twitter.com/B2yC7ipnSx— Dermot Corrigan (@dermotmcorrigan) April 2, 2014
13 - Cristiano Ronaldo has already netted more goals this season than ever before in a single #UCL campaign. Superman.— OptaJose (@OptaJose) April 2, 2014