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Japan's Kento Momota hits a return to China's Chen Long during a singles match of the final at the Thomas Cup badminton tournament in Bangkok, Thailand, on May 27, 2018. Kento Momota won 2-0. (Xinhua/Wang Shen)

Japan's Kento Momota hits a return to China's Chen Long during a singles match of the final at the Thomas Cup badminton tournament in Bangkok, Thailand, on May 27, 2018. Kento Momota won 2-0. (Xinhua/Wang Shen)