The Australian Open

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Kimiko Date-Krumm of Japan makes a forehand return to Belinda Bencic of Swtizerland during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2014. (AP Photo/Shuji Kajiyama)

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Kimiko Date-Krumm of Japan makes a backhand return to Belinda Bencic of Swtizerland during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2014. (AP Photo/Shuji Kajiyama)

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Kimiko Date-Krumm of Japan makes a forehand return to Belinda Bencic of Swtizerland during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2014. (AP Photo/Shuji Kajiyama)

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Heather Watson of Britain takes a drink during a break in her first round match against Daniela Hantuchova of Slovakia at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2014. (AP Photo/Aaron Favila)

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Andrey Golubev of Kazakhstan has his leg strapped by a trainer during his first round match against Stanislas Wawrinka of Switzerland at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2014.(AP Photo/Rick Rycroft)

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Stanislas Wawrinka of Switzerland makes a forehand return to Andrey Golubev of Kazakhstan during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 13, 2014.(AP Photo/Rick Rycroft)