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BASEL, SWITZERLAND - AUGUST 23: Du Yue(Front) and Li Yinhui of China compete in the Women's Doubles quarter finals match against Misaki Matsutomo and Ayaka Takahashi of Japan during day five of the Total BWF World Championships at St. Jakobshalle on August 22, 2019 in Basel, Switzerland. (Photo by Shi Tang/Getty Images)

BASEL, SWITZERLAND - AUGUST 23: Du Yue(Front) and Li Yinhui of China compete in the Women's Doubles quarter finals match against Misaki Matsutomo and Ayaka Takahashi of Japan during day five of the Total BWF World Championships at St. Jakobshalle on August 22, 2019 in Basel, Switzerland. (Photo by Shi Tang/Getty Images)