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MELBOURNE, AUSTRALIA - JANUARY 27: Nick Kyrgios of Australia and Andy Murray of Great Britain at the net after Murray won their quarterfinal match during day nine of the 2015 Australian Open at Melbourne Park on January 27, 2015 in Melbourne, Australia. (Photo by Scott Barbour/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 27:  Nick Kyrgios of Australia and Andy Murray of Great Britain at the net after Murray won their quarterfinal match during day nine of the 2015 Australian Open at Melbourne Park on January 27, 2015 in Melbourne, Australia.  (Photo by Scott Barbour/Getty Images)