Germany's Michael Berrer returns a ball during a quarter final match against Argentina's Agustin Calleri at the Mercedes Cup tennis tournament in St. - Foto

Germany's Michael Berrer returns a ball during a quarter final match against Argentina's Agustin Calleri at the Mercedes Cup tennis tournament in St. - Freitag 11. Juli 2008, 16:23 Uhr
uttgart, southern Germany, on Friday, July 11, 2008.