Roger Federer (German: [ˈfeːdərər]; born 8 August 1981) is a Swiss professional tennis player who is currently ranked world No. 2 by the Association of Tennis Professionals (ATP). Many commentators and players regard Federer as the greatest tennis player of all time. Federer turned professional in 1998 and has been ranked inside the top 10 since October 2002.Federer holds several records of the Open Era: holding the world No.