Diego Costa cancels out Cristiano Ronaldo's early goal for Real Madrid, as Atletico Madrid head into the break levelled at 1-1 with their city rivals in the Copa del Rey final.

Real Madrid and Atletico Madrid have headed into the half-time interval in their Copa del Rey final at the Santiago Bernabeu locked at 1-1.

Real Madrid's Cristiano Ronaldo celebrates after scoring the opening goal during the Copa del Rey Final against Atletico Madrid on May 17, 2013 © AP Photos

Jose Mourinho's side made a positive start to the encounter as Cristiano Ronaldo shot from distance in the fifth minute, but saw his effort comfortably saved by Thibaut Courtois.

However, the Portuguese forward did better in the 14th minute as he headed home Mesut Ozil's corner from near the penalty spot.

Atletico, who had been struggling to hold possession, threatened to equalise just three minutes later when Gabi shot from 25 yards out after being teed up by Arda Turan, but his effort went over the Real crossbar.

Diego Simeone's side grew in confidence as the first half progressed and restored parity in the 35th minute when Radamel Falcao sent Diego Costa through on goal to shoot past Diego Lopez from just outside the Real penalty area.

Real were unlucky not to go into the break with a one-goal lead as Ozil's strike from the edge of the Atletico box hit the post on 43 minutes.