Bayern Munich stumbled to a 1-1 draw against visiting Eintracht Frankfurt on Saturday to leave them with a slim, one-point Bundesliga lead after dropping points for the third game in a row with the same scoreline.
The German champions, who face Paris St Germain on February 14 in the Champions League Round of 16, took a first-half lead when Leroy Sane rifled in from a Thomas Mueller assist in the 34th minute.
Eintracht were largely anonymous until Daichi Kamada fed Randal Kolo Muani in the box and the forward beat France teammate Dayot Upamecano in a one-on-one to drill in a 69th-minute equaliser with his seventh league goal this season.
The Bavarians, chasing a record-extending 11th straight league title, had a treble chance to score before the equaliser but eventually ran out of gas against fellow Champions League club Eintracht.
They also drew their games against RB Leipzig and Cologne 1-1 following the restart of the season after the winter break and the result left them with a one-point lead over second-placed Union Berlin, who have 36 points after beating Hertha 2-0 in the Berlin derby.
RB Leipzig are third on 35 following Friday's 2-1 win over VfB Stuttgart, with Frankfurt in fifth place on 32.