Borussia Dortmund needed three late goals against Wilhelmshaven to book their spot in the second round of the German Cup.
The fourth-tier outfit matched the Champions League finalists for large periods of the match, but late strikes from Kevin Grosskreutz, Marvin Ducksch and Robert Lewandowski secured their place in the next round.
Bayer Leverkusen also booked their spot in the next round with a 6-1 win against Lippstadt 08, while Hoffenheim thumped Aummund-Vegesack 9-0.
Holders Bayern Munich are in action against BSV Rehden on Monday.
