Rajko Tesanovic | 25 Jahre Tennistrainer beim GTK | Michael Döring | Flickr
Tennis - Great Britain v France - Davis Cup World Group Quarter Final - Queens Club, London - 15/7/15 France's Richard Gasquet during practice Action Images via Reuters / Andrew Boyers Livepic Stock Photo - Alamy
GTK | Herren II Saision 2012 | Michael Döring | Flickr