In a statement, the Spanish champions said the stopper “still has discomfort in his right knee and will continue receiving treatment during the coming weeks”.
Ter Stegen has been instrumental in Barca winning La Liga this season, playing in 35 of the Catalans’ 38 league matches as they finished 11 points clear of Atletico Madrid at the top of the table.
Jasper Cillessen will likely take ter Stegen’s place between the sticks as he did during the 2-2 draw at Eibar that brought the curtain down on their league season.
Barca will become the first team to win five straight Copa del Reys if they beat Valencia in Seville.
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