The decline surprised leaders threatened Borussia Monchengladbach Borussia Dortmund 1-0 on Saturday to ensure a tense finish in the Bundesliga title race.
With second place Bayer Leverkusen won 2-1 at home to Hoffenheim earlier in the day, the leader Dortmund now been reduced to five points with three matches remaining before the season ends May 14
"We played a kind of avid football and we were out kind," said coach Jurgen Klopp Dortmund. "We did a lot better in the second half and a draw would have been a fairer result."
The title race will now go down in the coming weeks with Nuremberg Dortmund plays next Saturday in Bremen in two weeks, then finish against Eintracht Frankfurt. Leverkusen are in Cologne next Saturday, then host of Hamburg and finish against Freiburg.
Gladbach, meanwhile, climbed onto the bottom of the table for the first time since November with the Cameroon striker Mohamadou Idrissou winner of the first half.
"My team played very well and defended superbly," said Gladbach coach Lucien Favre after his team's first victory in Dortmund four and half years. "Dortmund has put us under pressure but do not have that many opportunities score. "
Bayern opportunities fade
Bayern Munich's hopes of playing in the Champions League next season UEFA remain on a knife when they needed a last gasp goal to obtain a 1-1 draw at Eintracht Frankfurt evil.
Hannover 96 after beating a 3-1 win at Freiburg on Thursday, Bayern got the third place that makes room for the top domestic competition in Europe with three games remaining.
Frankfurt midfielder Sebastian Rode to put his team ahead 54 minutes. Bayern was furious when the late penalty calls were rejected by U.S. midfielder Ricardo Clark seemed to handle the ball area.
However, the referee pointed to the spot after the Czech striker Martin Fenin dirty Luiz Gustavo and league scorer Mario Gomez blasted home the penalty kick in the 89th minutes to secure a share of points for the struggling German giants.
The draw left Frankfurt just above the relegation zone to 15th, but with a cushion of five points, while Bayern are fourth, one point behind Hanover.
"We are very disappointed," said Bayern coach Andries Jonker guardian. "In this situation, was forced to win and when you travel to relegation candidates, such as Frankfurt, take the three points. We really raised the game's final 20 minutes of power to do so, but overall we had no right to claim the three points. "
Schalke Fall
Schalke 04's hopes of building a moral victory before Tuesday's Champions League semi-final to Manchester United were dashed with 1-0 loss at home to Kaiserslautern.
Germany goalkeeper Manuel Neuer, who on Wednesday said it would not renew his contract which expires next season, struck 42 minutes Srdjan Lakic.
VfB Stuttgart, 2007 champion, pulled out of the bottom three with a 2-0 victory at home to go to Hamburg 13 Werder Bremen 3-1 win over St Pauli means they are almost certain to remain. If the defeat left St. Pauli in the bottom of the table on goal difference behind Gladbach and VfL Wolfsburg, who also 29 points each.