Japan's Niwa Koki/Hirano Sayaka(R) compete against Hong Kong China's Wong Chun Ting/Doo Hoi Kem during Mixed Doubles match at the 53rd Table Tennis World Championships in Suzhou, city of east China's Jiangsu Province, on April 29, 2015. Hong Kong China's Wong Chun Ting/Doo Hoi Kem won 4-0. (Xinhua/Yang Shiyao)
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