Daria Kasatkina details social media abuse

(Photo credit: David Kirouac-USA TODAY Sports)
Russian tennis player Daria Kasatkina spoke out Thursday about the abuse she has received on social media.

After defeating Poland's Magda Linette to become the first player to reach the WTA Elite Trophy semifinals in Zhuhai, China, the sixth-seeded Kasatkina posted a message on Twitter that included an image of some of the ugly and vulgar messages she has received.

"I won b