MELBOURNE, AUSTRALIA - JANUARY 30: Andy Murray of Great Britain serves in a practice session during day 12 of the 2015 Australian Open at Melbourne Park on January 30, 2015 in Melbourne, Australia. (Photo by Clive Brunskill/Getty Images)
MELBOURNE, AUSTRALIA - JANUARY 30: Andy Murray of Great Britain serves in a practice session during day 12 of the 2015 Australian Open at Melbourne Park on January 30, 2015 in Melbourne, Australia. (Photo by Clive Brunskill/Getty Images)