China's Zheng Qinwen overcame a battling Barbora Krejcikova in a 6-3 7-5 semi-final win at the WTA Finals in Riyadh on Friday. Olympic gold medallist Zheng, making her WTA Finals debut, got off to a great start against the Czech eight seed,

Zheng Qinwen has defeated Wimbledon champion Barbora Krejcikova 6-3, 7-5 to book her place in the final of the WTA Finals in Riyadh.

Zheng Qinwen continued her breakthrough season with victory over Barbora Krejcikova to reach the final of the season-ending WTA Finals.China's Zheng reached the Australian Open final in January before clinching Olympic gold in the summer.