WIRE — CHANGZHOU, July 22 (Xinhua) -- Thailand's second seed Kunlavut Vitidsarn suffered a shock first-round defeat, while China's Wang Zhiyi secured a hard-fought comeback victory at the badminton China Open on Wednesday. The biggest surprise in the men's singles saw former world champion Vitidsarn beaten 21-13, 8-21, 21-19 by Denmark's Rasmus Gemke. China's seventh seed Li Shifeng also lost his opening match,
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