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)
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)
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)
Ryo Ishikawa, left, of Japan, and his caddie, Simon Clark, stand seen on the fifth tee during the second round of the Sony Open golf tournament, Friday, Jan. 10, 2014, in Honolulu. (AP Photo/Marco Garcia)
Japan's Kei Nishikori makes a backhand return to Tomas Berdych of the Czech Republic in their final match of the Kooyong Classic ahead of the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 11, 2014. (AP Photo/Aijaz Rahi)
Japan's Kei Nishikori holds the trophy after win over Tomas Berdych of the Czech Republic in their final match of the Kooyong Classic ahead of the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 11, 2014. (AP Photo/Joshua Baker)