Bayern Munich's 1-1 draw at Borussia Dortmund in the Bundesliga on Saturday plays no role in preparations of holders Bayer Leverkusen for their German Cup last 16 clash against the Bavarians on Tuesday,

The latest iteration of Der Klassiker between Borussia Dortmund and Bayern Munich at a sold-out SIGNAL IDUNA Park has ended all square at 1-1.

Borussia Dortmund went ahead through Jamie Gittens' 27th-minute goal at Signal Iduna Park, with that effort one of just two shots on target from the hosts

Omar Marmoush continued his prolific form with two more goals as second-place Eintracht Frankfurt won 4-0 at Heidenheim to move four points behind Bundesliga leader Bayern Munich.

Second-placed Eintracht Frankfurt closed the gap to Bundesliga leaders Bayern Munich from six to four points after a 4-0 win at Heidenheim on Sunday. Bayern were held to a 1-1 draw at Borussia Dortmund on Saturday and the in-form Frankfurt took advantage of it.

Omar Marmoush scored a goal in each half as Eintracht Frankfurt won 4-0 at Heidenheim on Sunday, cutting the gap on Bayern Munich to four points.