PERTH, AUSTRALIA - JANUARY 05: Andy Murray of Great Britain practices on the outside court during day two of the 2015 Hopman Cup at Perth Arena on January 5, 2015 in Perth, Australia. (Photo by Paul Kane/Getty Images)
PERTH, AUSTRALIA - JANUARY 05: Andy Murray of Great Britain practices on the outside court during day two of the 2015 Hopman Cup at Perth Arena on January 5, 2015 in Perth, Australia. (Photo by Paul Kane/Getty Images)