Frankfurt: Bayern Munich routed second-division Ingolstadt 6-0 to ease into the third round of the German Cup despite using mostly reserve players.
Nils Petersen scored twice as Bayern netted five goals in the second half.
Title holder Schalke got late goals from Klaas-Jan Huntelaar and Joel Matip to win 2-0 at second-division Karlsruhe.
Mainz won 1-0 in extra time at Hannover, in the only match pitting two top division teams against each other. Hannover beat Bayern in the Bundesliga on Sunday.
Second-division Duisburg lost 2-0 at fourth-tier Holstein Kiel to get knocked out after reaching the final last season.