Hamburg prevented Bayern Munich from extending their Bundesliga winning streak and beat them 1-0 at home on Saturday. The Bavarians failed to register a victory in their opening three games, before winning the next three matches. However, Mladen Petric scored on 72 minutes to give Hamburg all three points and leave Bayern in sixth place with 11 points. Dortmund, who are struggling in the bottom half of the table, are now 15th on six points.