Gauff, Fritz lead U.S. to United Cup tennis title

SYDNEY, Jan. 5 (Xinhua) -- Coco Gauff overpowered Iga Swiatek on Sunday to help the United States retain the mixed teams United Cup title by beating Poland in the final.

World number four Taylor Fritz sealed the United States' second title in the 18-team competition after edging Hubert Hurkacz 6-4, 5-7, 7-6 (4) in the men's singles at Sydney's Ken Rosewall Arena.

The Americans added to their triumph in th