In the women's doubles 1/8 final, Li Wenmei / Zheng Yu lost 1-2 (12-21/ 21-17/18-21) to Japan's Yan Yongling / Nakanishi Takaei, while top seed Chen Qingchen / Jia Yifan defeated Canada's Cai Wanting / Hongdrick 2-21 ( 12-21 / 21 / 18-21 ) to retain the best hope of the national feathers crown. Men's doubles sole athletes He Jiting / Tan Qiang 2-1 (17-21/ 21-14/ 21-16) reversed the victory over Malaysia's strong and tokyo Olympic runner-up Su Weiyi / Xie Dingfeng.
Zheng Yu / Li Wenmei is the No. 10 seed of this World Championships, Zheng Yu and Huang Dongping defeated many masters at the Danish Open to win the women's doubles title, and Li Wenmei partnered with Huang Dongping to serve as the second women's doubles in the Uber Cup in China, performing well. This time Zheng Yu / Li Wenmei and Japanese rookie Iwanaga Ling / Nakanishi Takaei competed for the women's doubles top 8 seats, the two sides fought hard for 3 rounds, the national team regrettably lost, the opponent is the Japanese women's doubles after the Tokyo Olympic Games this year to focus on the creation of the rookie combination, in the several open tournaments participated in all reached the final four, the strength is not bad, together with Nagahara and Kona / Matsumoto Mayu, Matsuyama Nawei / Shida Chiyo to advance to the women's doubles top 8, for the Japanese women's doubles to highlight the strength of the overall strength.
Another pair of national women's doubles duo, Chen Qingchen and Jia Yifan, came to Spain as the top seeds, and they were also the women's doubles champions at the 2017 World Championships and finished runners-up at the Tokyo Olympics. Competing with the two for the quarter-finals is Canada's Cai Wanting /Hundrick, both innings are the fan dust combination of the back of the force, the first set 15-10 when the two scored 6 consecutive points to win, the second set in the 14-17 behind, scored 7 consecutive points to beat the opponent, advanced to the quarterfinals. Chen Qingchen/ Jia Yifan's opponents at 8-4 will be Japan's No. 7 seed Nao Matsuyama / Chiyo Shida. Although Tokyo Olympic champion Polly/Lahayu did not participate in this World Championship, the Japanese three-pair combination advanced to the quarterfinals, plus the South Korean combination of Kong Hee-young/Kim Joo-young, Shin Seung-joong/Lee Joo-hee, will be the main opponents on the road to the promotion of the Fanchen combination.
The men's doubles of this World Championships came to Spain in a mourning posture, but due to the limited overall strength, coupled with the world ranking, in the previous competition encountered a strong opponent, the last round eliminated Zhang Nan / Ou Xuanyi's Malaysian combination Su Weiyi / Xie Dingfeng This round is still the national combination Tan Qiang / He Jiting, the opponent is the third place in the Tokyo Olympic Games, they defeated the Indonesian famous Setiawan / Ashan with the strength to win the bronze medal, and is also malaysia's first men's doubles, fortunately Tan Qiang / He Jiting did not let the Malaysian combination step on the shoulders of the Chinese men's doubles in a row, and in the case of losing one game first, he reversed and defeated the opponent and became the only seedling in the men's doubles top 8. The opponent of Tan Qiang/ He Jiting in the quarterfinals is still from Malaysia, will be the runner-up of the Rio Olympics Wu Weisheng / Chen Weiqiang, because the two have withdrawn from the Malaysian national team, as a free man to participate in international competitions, the results of the past two years are not ideal, Guoyu is expected to reach the men's doubles final 4.