MELBOURNE, AUSTRALIA - JANUARY 25: Eri Hozumi and Miyu Kato of Japan compete in their quarterfinal match against Bethanie Mattek-Sands of the United States and Lucie Safarova of the Czech Republic on day 10 of the 2017 Australian Open at Melbourne Park on January 25, 2017 in Melbourne, Australia. (Photo by Jack Thomas/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 25:  Eri Hozumi and Miyu Kato of Japan compete in their quarterfinal match against Bethanie Mattek-Sands of the United States and Lucie Safarova of the Czech Republic on day 10 of the 2017 Australian Open at Melbourne Park on January 25, 2017 in Melbourne, Australia.  (Photo by Jack Thomas/Getty Images)