Berlin - Hertha Berlin and 1. FC Köln remain on course for Bundesliga safety after playing out a goalless draw on Matchday 29.
Chances were at a premium at the Olympiastadion, with Hertha the more dominant side for much the game, despite failing to find a way past the outstanding Timo Horn between the Köln sticks. The result leaves both sides in the relative comfort of mid-table with five games remaining.
Aiming to build on last weekend's convincing home victory against TSG 1899 Hoffenheim, Köln started into the game positively, although it was Hertha that enjoyed the game's first opportunity when Sebastian Langkamp forced Horn into a brilliant reflex save. Salomon Kalou looked particularly lively in the Hertha attack, and the Ivory Coast striker came close to taking his season tally to seven after half an hour when he steered a cross just wide.
The home side kept up the pressure after the restart, Horn doing well again to keep out Valentin Stocker's sharp header, before Kalou failed to hit the target with only the goalkeeper to beat. The away side could only offer a periodic threat, with Anthony Ujah missing their only serious second-half opportunity with ten minutes on the clock, leaving Hertha unbeaten in seven.
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