Both sides had chances in the second period, but Arda Turan won it for Atletico late on.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
REAL: Casillas; Arbeloa, Pepe, Ramos, Coentrao; Modric, Kroos; Ronaldo, James, Bale; Benzema
ATLETICO: Moya; Juanfran, Godin, Miranda, Siqueira; Gabi, Tiago, Koke; Garcia; Jimenez, Mandzukic
© Getty Images
7 - Atletico are unbeaten in 7 Madrid derbies in La Liga (W5 D2), their best ever unbeaten run against fellow capital-based sides. Spirit.— OptaJose (@OptaJose) September 13, 2014