Despite the defeat Moenchengladbach stay top on goal difference over unbeaten Wolfsburg, with both on 16 points, one ahead of Bayern Munich, Dortmund and RB Leipzig.

Only two points separate the top nine and the leadership could change hands on Sunday if Schalke win at Hoffenheim.

Bayern conceded a stoppage time goal in a 2-2 draw at Augsburg, while Leipzig and Wolfsburg finished 1-1.

Dortmund got back to winning ways after three straight 2-2 draws, thanks to a 58th-minute goal from Reus against his old club.

The Germany forward finished from a pass by Thorgan Hazard who in the first half had a goal disallowed against following a video review.

"We have a tight programme in the next three weeks against tough opponents and these three weeks will decide in what direction we are heading," Reus told Sky TV.

In Augsburg, Robert Lewandowski continued his goalscoring streak with his 12th of the Bundesliga season in eight matches but Bayern had to settle for a point.

Augsburg had shocked Bayern with a goal after 27 seconds when Marco Richter volleyed in, but Lewandowski levelled with a glancing header from Serge Gnabry's cross in the 14th minute.

With goals now in 11 straight competitive games, he has now equalled a club record set by Carsten Jancker in 2000.

Gnabry made it two for the German champions shortly after the break but Niko Kovac's side squandered opportunities to increase their lead and were punished when substitute Alfred Finnbogason tapped in as the game went into stoppage time.

In Leipzig, the home side went ahead against Wolfsburg when Timo Werner rounded keeper Pavao Pervan in the 54th minute, but Wout Weghorst scored from close range for the visitors with eight minutes remaining.

Freiburg missed a chance of going top on 17 points when they slid to a 2-0 defeat at promoted Union Berlin, who ended a four-game losing series.

Werder Bremen and Hertha Berlin finished 1-1, while Fortuna Dusseldorf were 1-0 winners over Mainz, who had Edimilson Fernandes sent off after a second booking just before half-time.

On Friday, Eintracht Frankfurt defeated Bayer Leverkusen 3-0.

Australian Associated Press