Miroslav Klose struck the winner in the 14th minute to condemn the Royal Blues to defeat.

Slomka now takes his side to Porto on Wednesday for the second leg of their Champions League second-round clash knowing another loss could cost him his job.

Werder Bremen kept up the pressure on the league leaders after Markus Rosenberg struck either side of half-time to give them a 2-0 win over Borussia Dortmund.

Karlsruhe, in their first season in the top flight following their promotion last year, continued to defy expectations as a 3-1 win over Wolfsburg moved their into the UEFA Cup spots.

Mario Eggimann opened the scoring for the home side only for Marcel Schafer to bring the Wolves level. But late goals from Josh Kennedy and Alexander Iashvili won it for KSC.

Hannover also reignited their European hopes with a 2-1 win over struggling Nurnberg.

Szabolcs Huszti struck the winner after Zvjezdan Misimovic had cancelled out Arnold Bruggink's first-half opener for Hannover to leave Nurnberg in the relegation places and their new coach Thomas von Heesen still searching for his first win.

Elsewhere, Fin Bartels scored an 86th-minute equaliser for Hansa Rostock to rescue a 1-1 draw against fellow strugglers Arminia Bielefeld. Christian Eigler had put Bielefeld ahead just two minutes earlier.

On Friday, Hertha Berlin eased to a 2-0 win over Duisburg at a rain-sodden Olympic Stadium.

Brazilian forward Raffael fired the hosts into a 33rd-minute lead while the impressive Marko Pantelic doubled their advantage three minutes later with a fine finish for his 10th Bundesliga goal of the campaign.