Cologne - Borussia Dortmund visit Hertha Berlin on Saturday (kick-off 15:30 CET/14:30 GMT) knowing they are by no means out of the woods yet as they continue their long, arduous climb up the league table.
bundesliga.com takes a closer look at this weekend's battle in the capital...
Hertha: Kraft - Pekarik, Hegeler, Brooks, Schulz - Hosogai, Skjelbred - Beerens, Ronny, Ben-Hatira - Kalou
Dortmund: Langerak - Piszczek, Subotic, Hummels, Schmelzer - Bender, Kehl - Mkhitaryan, Gündogan, Aubameyang - Immobile
Find out where you can watch Saturday's game with our list of broadcasters
See how Dortmund took off again on Matchday 15, and what it meant to them in this video courtesy of the Bundesliga's official YouTube channel.