Switzerland's Stan Wawrinka serves to France's Jo-Wilfried Tsonga during their quarterfinal at the Australian Open tennis championships in Melbourne, Australia, Tuesday, Jan. 24, 2017. (AP Photo/Aaron... more 
Switzerland's Stan Wawrinka serves to France's Jo-Wilfried Tsonga during their quarterfinal at the Australian Open tennis championships in Melbourne, Australia, Tuesday, Jan. 24, 2017. (AP Photo/Aaron Favila) less 
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Associated Press | Photo By Aaron Favila
Mon, Jan 23, 2017 11:36 PM EST