World number one Novak Djokovic reached the Australian Open semi-finals in a hurry Wednesday as an ailing Kei Nishikori retired when losing 6-1, 4-1 after just 51 minutes.from Top Sports News- News18.com http://bit.ly/2MpRHLH
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World number one Novak Djokovic reached the Australian Open semi-finals in a hurry Wednesday as an ailing Kei Nishikori retired when losing 6-1, 4-1 after just 51 minutes.