Borussia Dortmund fell 0-1 to Bayer Leverkusen at Signal Iduna Park on Saturday, April 11, 2026, in Bundesliga Matchday 29. Robert Andrich's second-half strike secured three points for the visitors and denied Dortmund an early Champions League qualification spot, ending their four-match league winning run.

The defeat was compounded by controversy surrounding defender Nico Schlotterbeck, who had extended his contract with the club until 2031 just one day earlier. Reports that the new deal includes an exit clause sparked discontent among supporters, particularly on the famous South Stand. Fans greeted Schlotterbeck's name with loud boos during the pre-match lineup announcements and early in the first half.

Despite the hostile reception, the 26-year-old Germany international delivered a composed performance, winning approximately 64 percent of his duels and completing 95 percent of his 88 passes. However, he could not prevent Dortmund's first home league loss since late February.

Club officials quickly condemned the fan reaction. CEO Carsten Cramer stated the booing was unacceptable, while teammate Waldemar Anton called it damaging to the squad. Head coach Niko Kovac defended Schlotterbeck, emphasizing that every player needs supporter backing and expressing confidence that the contract situation would be resolved positively for all parties.

The result leaves Dortmund's Champions League qualification hopes dependent on upcoming fixtures, while Leverkusen keep their own European ambitions alive.