World No.1 Iga Swiatek of Poland scored a dominant 6-0, 6-3 win over teenager Coco Gauff to advance to the semifinals of the San Diego Open, extending her undefeated record against the No. 8 from the US to 4-0.
Women's world No. 1 and winner of two majors this year, Poland's Iga Swiatek, heads the draw at the San Diego Open -- a WTA 500 event --, where a rematch of the French Open final against American Coco Gauff could be on the…