Rafael Benitez's first El Clasico will be at the Bernabeu, with the return fixture taking place in Barcelona in April.
Elche have lost their appeal against the decision to relegate them from La Liga to Spain's second division.
Elche have been relegated from La Liga over unpaid debts to the tax authorities and Eibar will take their place next season.
Valencia qualified for next season's Champions League after winning at Almeria, who were relegated along with Eibar.
Ahead of the Copa del Rey final, we look back at the competition's top five moments.
Liverpool give U21s more game time than Premier League rivals but top flight lags behind Europe.
Elche missed a string of chances, including a penalty, as they were held to a goalless draw at Levante.
Athletic Bilbao produced a late turnaround to beat Elche 3-2 and move a step closer to qualifying for the Europa League.
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