Poland, U.S. reach tennis United Cup final
SYDNEY, Jan. 4 (Xinhua) -- The United States and Poland will battle for the United Cup title after the top two seeds of the mixed teams event won their semifinals on Saturday.
The final in Sydney on Sunday will be highlighted by a blockbuster women's singles match between world number two Iga Swiatek and former US Open champion Coco Gauff.
World No. 3 Gauff stormed past former French Open finalist Karolin