Moscow, Russia, May 30, 2015 - With Germany guaranteed a spot in the Moscow Grand Slam semi-finals, Jonathan Erdmann and Kay Matysik defeated compatriots Alexander Walkenhorst and Stefan Windscheif 2-0 (21-16, 21-16) in 37 minutes.
With the victory, Erdmann and Matysik meet Pablo Herrera and Adrian Gavira of Spain, Both teams train together.