Courtois' loan to Atlético was extended to cover the 2012–13 season. His first game of the loan extension was against parent club Chelsea in the 2012 UEFA Super Cup final in Monaco, which ended in a 4–1 victory for Atlético Madrid. Later in the season Courtois set a new Atlético Madrid record of 820 minutes without conceding a goal at the Estadio Vicente Calderon, ended by being beaten in a 1–0 loss to Real Sociedad. Atlético reached the 2013 Copa del Rey Final, and Courtois was named man of the match in a 2–1 victory against Real, the first time that Atlético had beaten their city rivals in 14 years.