MELBOURNE, AUSTRALIA - JANUARY 31: Australian Open champion Novak Djokovic of Serbia stands on stage with Andy Murray of Great Britain after winning Men's Singles Final during day 14 of the 2016 Australian Open at Melbourne Park on January 31, 2016 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)
MELBOURNE, AUSTRALIA - FEBRUARY 01: Andy Murray of Great Britain looks on as Novak Djokovic of Serbia holds the Norman Brookes Challenge Cup after he won their men's final match during day 14 of the 2015 Australian Open at Melbourne Park on February 1, 2015 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)
PARIS, FRANCE - JUNE 06: Andy Murray of Great Britain (L) congratulates Novak Djokovic of Serbia after defeat in their Men's Semi Final match on day fourteen of the 2015 French Open at Roland Garros on June 6, 2015 in Paris, France. (Photo by Clive Brunskill/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 02: Andy Murray of Great Britain and Novak Djokovic of Serbia embrace at the net during a practice session ahead of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 2, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Brunskill/Getty Images)
