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CHANGZHOU, CHINA - SEPTEMBER 18: Wang Yilyu(L) and Huang Dongping of China compete in the Mixed Doubles first round match against Kohei Gondo and Ayane Kurihara of Japan on day two of the China Open at Olympic Sports Center Xincheng Gymnasium on September 18, 2019 in Changzhou, China. (Photo by Shi Tang/Getty Images)

CHANGZHOU, CHINA - SEPTEMBER 18: Wang Yilyu(L) and Huang Dongping of China compete in the Mixed Doubles first round match against Kohei Gondo and Ayane Kurihara of Japan on day two of the China Open at Olympic Sports Center Xincheng Gymnasium on September 18, 2019 in Changzhou, China. (Photo by Shi Tang/Getty Images)

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BASEL, SWITZERLAND - AUGUST 19: Wang Chi-Lin (L) and Cheng Chi Ya of Chinese Taipei compete in the Mixed Doubles first round match against Kohei Gondo and Ayane Kurihara of Japan during day one of the Total BWF World Championships at St. Jakobshalle on August 19, 2019 in Basel, Switzerland. (Photo by Shi Tang/Getty Images)

BASEL, SWITZERLAND - AUGUST 19: Wang Chi-Lin (L) and Cheng Chi Ya of Chinese Taipei compete in the Mixed Doubles first round match against Kohei Gondo and Ayane Kurihara of Japan during day one of the Total BWF World Championships at St. Jakobshalle on August 19, 2019 in Basel, Switzerland. (Photo by Shi Tang/Getty Images)