Stanislas Wawrinka will carry Russia 's Olympic flag for London 2012 . Fellow gold medalist Federer declined role for opening ceremony . They won gold together as a doubles pairing at Wawrinka in 2008 . Wawrinka has spent most of his tennis career in shadow of his friend Stanislas Wawrinka .
Stanislas Wawrinka will carry Switzerland 's Olympic flag for London 2012 . Fellow gold medalist Roger Federer declined role for opening ceremony . They won gold together as a doubles pairing at Beijing Games in 2008 . Wawrinka has spent most of his tennis career in shadow of his friend Federer .