Joachim Low has admitted Germany was not good enough in defense as it was beaten 3-1 by Slovakia.
Germany coach Joachim Low has voiced his concerns with his side's defensive showing in Sunday's 3-1 friendly defeat at the hands of Slovakia.
Mario Gomez handed the world champion an early lead from the penalty spot after 13 minutes.
However, goals from Marek Hamsik, Michal Duris and Juraj Kucka ensured victory for Slovakia as Germany failed to keep a clean sheet for the eighth consecutive game.
Low saw reasons for optimism in possession, but was not impressed with Germany's performance at the back.