All times GMT+2 Tuesday 19 January 19:30 Borussia Moenchengladbach v Werder Bremen 21:30 Bayer Leverkusen v Borussia Dortmund 21:30 Hertha Berlin v Hoffenheim 21:30 Mainz 05 v Wolfsburg Wednesday 20 January 19:30 Schalke v FC Cologne 21:30 Arminia Bielefeld v VfB Stuttgart 21:30 Augsburg v Bayern Munich 21:30 Freiburg v Eintracht Frankfurt 21:30 RB Leipzig v Union Berlin (For more sports news and updates, follow Ahram Online Sports on Twitter at @AO_Sports and on Facebook at AhramOnlineSports.)