Overview

• Köln beat Mainz 1:0 on a 90th‑minute header from Marius Bülter after Paul Nebel’s 60th‑minute red card, ending Mainz’s 309‑day home unbeaten run.
• Hertha drew 0:0 at Darmstadt to remain winless with two points from three matches, hitting the woodwork twice before Fabian Reese missed a stoppage‑time chance as the hosts stayed unbeaten on seven points.
• Dynamo Dresden handed Arminia Bielefeld a 1:2 home defeat with Luca Herrmann’s bicycle‑kick winner in the 90+10 minute after Christopher Lannert was sent off for a last‑man foul.
• Holstein Kiel earned their first 2. Bundesliga win, defeating Greuther Fürth 2:0 through Jonas Therkelsen’s breakaway finish and John Tolkin’s late strike into an empty net.
• Bayern opened the season by routing Leipzig 6:0, with sporting director Max Eberl noting ongoing squad needs and calling the disallowed Leipzig goal sequence confusing, while Leverkusen’s overhauled side looked disjointed in a 1:2 loss to Hoffenheim.