Gauff defeats Swiatek to secure semifinal spot early at WTA Finals

RIYADH, Nov. 5 (Xinhua) -- American tennis star Coco Gauff defeated defending champion Iga Swiatek in straight sets at the WTA Finals in Riyadh on Tuesday, achieving her second consecutive group-stage win and securing an early place in the semifinals.

In the second-round match of the Orange Group singles, third seed Gauff faced second seed and longtime rival Swiatek. The two had previously met 12 times, with Swi