Roundup: Impressive China, Swiatek-led Poland dominate United Cup
PERTH, Australia, Dec. 30 (Xinhua) -- Zheng Qinwen upset Wimbledon champion Marketa Vondrousova at the United Cup on Saturday as China impressively beat the Czech Republic, while world No.1 Iga Swiatek started her season in style to lead Poland past Brazil.
China made a statement with a spectacular debut in the mixed teams tournament with a clean sweep in Perth.
No.15 ranked Zheng clinched the Group E tie