Selected as members of the Chinese national team for the forthcoming Liebherr 2019 World Championships in Budapest, Liu Shiwen and Sun Yingsha yesterday both prevailed against colleagues at the quarter-final stage of play.
Liu Shiwen, the no.3 seed, beat Wang Yidi (11-2, 11-7, 11-8, 11-4) while Sun Yingsha accounted for He Zhuojia (6-11, 11-4, 11-4, 11-8, 11-5).