Kei Nishikori of Japan hits a return to David Ferrer of Spain during their men's singles fourth round match at the Australian Open 2015 tennis tournament in Melbourne January 26, 2015. REUTERS/Carlos ... more 
Kei Nishikori of Japan hits a return to David Ferrer of Spain during their men's singles fourth round match at the Australian Open 2015 tennis tournament in Melbourne January 26, 2015. REUTERS/Carlos Barria (AUSTRALIA - Tags: SPORT TENNIS) less 
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Reuters | Photo By CARLOS BARRIA / REUTERS
Mon, Jan 26, 2015 12:56 AM EST