 Roger Federer ( German : [ ˈfeːdərər ] born 8 August 1981 ) is a Swiss professional tennis player who is currently ranked world No. 3 by the Association of Tennis Professionals ( ATP ) . His accomplishments in professional tennis have led to him being regarded by many as the greatest tennis player of all time . Federer turned professional in 1998 and has been continuously ranked in the top 10 since October 2002 . 
 Roger Federer ( German : [ ˈfeːdərər ] born 8 August 1981 ) <a href='drop_aux' title='1'><mark>is</mark></a>a Swiss professional tennis player <a href='null_relcl' title='2'><mark>who</mark></a>is currently ranked world No. 3 by the Association of Tennis Professionals ( ATP ) . His accomplishments in professional tennis <a href='been_done' title='3'><mark>have</mark></a> led to him being regarded by many as the greatest tennis player of all time . Federer turned professional in 1998 and <a href='been_done' title='4'><mark>has</mark></a> been continuously ranked in the top 10 since October 2002 . 
Roger Federer ( German : [ ˈfeːdərər ] born 8 August 1981 ) a Swiss professional tennis player is currently ranked world No. 3 by the Association of Tennis Professionals ( ATP ) . His accomplishments in professional tennis done led to him bein regarded by many as the realest tennis player of alll time . Federer turned professional in 1998 and done been continuously ranked in da top 10 since October 2002 .