Juan Sebastian Cabal
|27/01/18||O Marach & M Pavic||Australian Open||F||Lost|
|25/01/18||B Bryan & M Bryan||Australian Open||SF||Won|
|24/01/18||S Groth & L Hewitt||Australian Open||QF||Won|
|24/01/18||T Babos & R Bopanna||Australian Open||QF||Lost|
|22/01/18||K Peschke & H Kontinen||Australian Open||R2||Won|
|21/01/18||R Voracova & F Martin||Australian Open||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.