Milos Raonic of Canada appeals a point during his third round loss to Grigor Dimitrov of Bulgaria at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014.(AP Photo/Andrew Brownbill)

Australian Open Tennis

Milos Raonic of Canada appeals a point during his third round loss to Grigor Dimitrov of Bulgaria at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014.(AP Photo/Andrew Brownbill)

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