Sloane Stephens of the U.S. celebrates after her win over Elina Svitolina of Ukraine during their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014.(AP Photo/Andrew Brownbill)
Elina Svitolina of Ukraine hits a forehand return to Sloane Stephens of the U.S. during their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014. (AP Photo/Andrew Brownbill)
Sloane Stephens of the U.S. servers to Elina Svitolina of the Ukraine during their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 18, 2014. (AP Photo/Andrew Brownbill)