The Ukrainian had hit a wall, physically and mentally, before the WTA Finals.
Oct 28, 2018
by Steve Tignor
The American has won two of their three encounters.
Oct 27, 2018
The Ukrainian became the first woman from her country to reach season-ending final.
The top four seeds are out in Singapore, which makes the final four even more intriguing.
Oct 26, 2018
The US Open champion was trailing 6-3 when she retired with an upper left leg injury.