Borussia Dortmund won away from home for only the second time in the Bundesliga since November to stay in third place with a 3-0 win at Freiburg on Saturday.
With Dortmund controlloing possession early, Papastathopoulos Sokratis casually headed in Raphael Guerreiro's free kick to give the visitors the lead on 13 minutes.
Pierre-Emerick Aubaumeyang then tapped in Marco Reus' driven cross to double their advantage shortly after the restart.
The Gabon striker scored a close-range second to secure victory in the 70th minute.
The result kept Dortmund within touching distance of RB Leipzig for the final automatic Champions League spot.