Zinedine Zidane felt the Real Madrid XI he sent out for Thursday's 4-3 Copa del Rey quarter-final loss to Real Sociedad at the Santiago Bernabeu should have been good enough to progress.
Madrid loanee Martin Odegaard opened the scoring and an Alexander Isak brace saw Sociedad surge into a 3-0 lead before the hour.
Marcelo pulled a goal back and, after Mikel Merino made it 4-1, late goals from substitute Rodrygo Goes and Nacho left the visitors hanging on, with Andoni Gorosabel dismissed for a second booking in stoppage time.
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Alphonse Areola was culpable for Odegaard's goal, while James Rodriguez was withdrawn at the break and Brahim Diaz had a minimal impact upon the contest.