|27/05/15||K Knapp & R Vinci||French Open||R1||Lost|
|25/06/14||Z Diyas & P Mayr-Achleitner||All England Lawn Tennis Championships||R1||Lost|
|28/05/14||J Cepelova & S Voegele||French Open||R1||Lost|
|31/05/13||J Jankovic & M Lucic-Baroni||French Open||R2||Lost|
|29/05/13||P Martic & C Scheepers||French Open||R1||Won|
|12/02/13||E Bouchard||WTA Copa Bionaire||R1||Lost|
The stats behind Federer's success
Sky Sports have been delving in the archive books and crunching the numbers in order to find out the secret of Roger Federer's success.
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?
Federer's career in numbers
Roger Federer became the oldest world No 1 in tennis history with victory against Robin Haase at the ABN Amro World Tennis Tournament in Rotterdam.