Chinese shuttlers Zhang Nan and Zhao Yunlei retained their mixed doubles title at the World Championships here on Sunday, beating compatriots Liu Cheng and Bao Yixin 21-17, 21-11 in the final.
The victory was Zhang and Zhao's third championship following the No.1 pair's triumph in 2011 and 2014, reports Xinhua.
"We are happy because today is the last day of the tournament. But actually our performance today was not as good as our performance in the semifinal," Zhang said.
--Indo-Asian news Service
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