Roger Federer is a player of the sport tennis.
The 2014 Davis Cup ( also known as the 2014 Davis Cup by BNP Paribas for sponsorship purposes ) is the 103rd edition of the tournament between national teams in men 's tennis . Roger Federer . Representing Switzerland , he was a part of the 2014 winning Davis Cup team . Stanislas `` Stan '' Wawrinka ( [ stanislas vavʁiŋka ] ; born 28 March 1985 ) is a Swiss professional tennis player .