|01/08/16||J Jankovic||WTA Brazil Tennis Cup||R1||Lost|
|09/02/14||A Barty & C Dellacqua||Fed Cup World Group Quarter-Final: Australia v Russia||Match 5||Lost|
|17/01/14||E Bouchard & V Dushevina||Australian Open||R1||Lost|
|15/07/13||K Knapp||WTA NURNBERGER Gastein Ladies||R1||Lost|
|11/07/13||D Kovinic||WTA Hungarian Grand Prix||R2||Lost|
|09/07/13||L Safarova||WTA Hungarian Grand Prix||R1||Won|
WATCH: Federer's 14 years at No 1
From fashion to technology and everything in between, a lot has changed since the first time Roger Federer claimed the No 1 ATP Ranking in 2004.
VOTE: Who is the G.O.A.T?
Roger Federer claimed a 20th Grand Slam title at the Australian Open and then became the oldest-ever world No 1 - but is he the greatest sportsperson of all time?
VOTE: Greatest tennis rivalry?
To mark Rivalry Weekend on Sky Sports here's a look at the greatest rivalries in tennis and there have been some classics.