Freiburg held Bayern Munich to a 2-2 draw, with Lucas Hoeler's 87th-minute equaliser spoiling their aspirations.
Despite goals from Mathys Tel and Jamal Musiala,
saying it lacked organization and discipline even though goals came from Mathys Tel and Jamal Musiala.
The outcome brings Bayern's home winless run in the Bundesliga and Champions League to four games since January.
If Bayer Leverkusen defeats Cologne, they will have a chance to increase their lead over Bayern to ten points.
Christian Guenter of Freiburg and Tel of Bayern both scored spectacular goals,
while Musiala gave Bayern a brief lead before Hoeler's late goal.
Max Eberl, Bayern's sporting director, is upbeat about the team's chances of winning the championship despite the loss.
Freiburg is now in ninth place in the Bundesliga.
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