|29/08/13||R Kops-Jones & A Spears||US Open||R1||Lost|
|01/07/13||A Peya & A Groenefeld||All England Lawn Tennis Championships||R2||Lost|
|28/06/13||S Errani & R Vinci||All England Lawn Tennis Championships||R2||Lost|
|27/06/13||N Monroe & M Bartoli||All England Lawn Tennis Championships||R1||Won|
|26/06/13||A Beck & I Buryachok||All England Lawn Tennis Championships||R1||Won|
|03/06/13||L Hradecka & F Cermak||French Open||QF||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.