Wang/Huang win all-Chinese badminton mixed doubles final at Tokyo Olympics
China's Wang Yilyu/Huang Dongping upset compatriots Zheng Siwei/Huang Yaqiong to claim badminton mixed doubles gold.
TOKYO, July 30 (Xinhua) -- Second-seeded Wang Yilyu/Huang Dongping beat world No. 1 Zheng Siwei/H