Borussia Dortmund, BVB, missed the chance to close on within a point of Bayern Munich in the Bundesliga table as they were beaten 2-0 by Bayer Leverkusen at the BayArena.
Admir Mehmedi handed Leverkusen an early lead when he headed home a corner from Hakan Calhanoglu.
And Thomas Tuchel’s men were unable to find a way back, Javier Hernandez putting the match to bed 11 minutes from time after a quick counter-attack.
The victory marks Leverkusen’s first home league win over Dortmund since May 2007, having drawn five and lost four in the fixture since then.
Dortmund, meanwhile, drop to third in the table following their second defeat of the season having taken 12 points from six games and are four points adrift of leaders Bayern.