Swiatek-led Poland beats China to reach United Cup semis

PERTH, Australia, Jan. 3 (Xinhua) -- World No. 1 Iga Swiatek swept past Zheng Qinwen 6-2, 6-3 here on Wednesday, as top seed Poland beat China to enter the tennis mixed-team United Cup semifinals.

After Hubert Hurkacz beat Zhang Zhizhen in the men's singles of the quarterfinal, Swiatek continued her form ahead of the Australian Open and inflicted Zheng's first defeat of the tournament.

Swiatek was tested