Nickname is "Satsche"...Started playing tennis aged three...Speaks German, English and French...Father, Olef, is an architect; mother, Edeltraud, is a housewife; Married Marijana; son, Aaron...Favourite surfaces are grass and hard courts...Favourite tournament are Munich and Quito, where he scored his first ATP win in 2015...Idol growing up was Boris Becker...Hobbies include basketball, football and travelling...Supports FC Bayern Munich...Physical trainer is Volker Nagel (since 2008)...