Bayer Leverkusen moved third in the Bundesliga on goal difference with a 4-0 victory over Hannover.
Hannover missed a chance to pick up their first win of 2015 after being pegged back by Hertha Berlin for a 1-1 draw.
Struggling Hannover came from two goals down to grab a 2-2 draw at Eintracht Frankfurt on Saturday.
Robert Lewandowski was the difference in the German Klassiker, while there were wins for Monchengladbach and Leverkusen
Hannover have confirmed that captain Lars Stindl will leave in the summer to join Borussia Monchengladbach.
Borussia Dortmund heaped the pressure on Hannover coach Tayfun Korkut with a 3-2 win at the Niedersachsenstadion.
Live only on