Swiatek and Gauff secure opening wins at WTA Finals

RIYADH, Nov. 3 (Xinhua) -- World No. 2 Iga Swiatek came from behind to defeat Czech Republic's Barbora Krejcikova in an Orange Group singles opening match at the WTA Finals on Sunday in Riyadh.

Meanwhile, Coco Gauff won in straight sets against her American compatriot Jessica Pegula to secure her opening victory.

In the group's opening match, defending champion Swiatek faced recent Wimbledon champion Krej