The 2021 Badminton World Championships continue to be played in the Spanish city of Huelva, and the eight-day schedule lasts for three days, and the successive losses of Arcelor and Zheng Siwei/Huang Yaqiong are shocking.

Two big unpopular doors
On Monday, the second matchday of the World Championships, the national players won 2 wins and 1 loss, with the men's doubles Zhang Nan/Ou Xuanyi and the women's single Zhang Yiman winning 2-0 respectively, while the men's doubles hope star Di Zijian/Wang Chang played poorly, losing 9-21, 13-21 to Japan's two-double Koga Kei/ Saito Taiichi.
The biggest upset of the day came from Tokyo Olympic men's singles gold medalist and 2017 Glasgow World Championships men's singles champion Arcelong, who lost to Singapore's Luo Jianyou in the first round of men's singles with a huge margin of 21-14, 9-21, 6-21, and suffered a round trip. Also out of the day was Hong Kong's Ng Ka-lang, who lost 1-2 to India's Planoy.
Yesterday was the third match day, and the match continued until the early hours of this morning Beijing time. The biggest upset in the final match of the day, the mixed doubles top seeds Zheng Siwei / Huang Yaqiong, who only appeared at about 9 p.m. local time, lost 21-16, 13-21, 17-21 to Hong Kong' Zhang Dezheng / Wu Yongyao, 21-17, and did not qualify for the three consecutive World Championships championships.
Kuniwa won 4 and lost 4 yesterday
In addition to "IELTS", the Chinese team had 5 players out on this day. Men's singles youngster Li Shifeng fought hard for three sets, losing 21-15, 18-21, 17-21 to India's Srikans; men's doubles Liu Cheng/Huang Kaixiang and japan's recently popular Japanese pair Yugo Kobayashi/Homu Zhuolang played three sets and finally lost 13-21 in the decider; mixed doubles Ou Xuanyi/ Feng Xueying lost 0-2 to this year's European Championship mixed doubles champion Aliimov/Alina, who represented the Russian Badminton Association.
In addition to the 5 players out, 5 of the players qualified for yesterday's match. Lu Guangzu, the highest ranking in men's singles, fought for 69 minutes, defeating the fourth seed, Chinese Taipei's Zhou Tiancheng, who defeated the fourth seed, 21-15, 21-15, 21-15; Zhao Junpeng easily defeated Japan's Watanabe Hanggui 21-11, 21-15; National Women's Singles leader He Bingjiao beat France's Maria 21-12, 21-15; and women's doubles top seed Chen Qingchen/Jia Yifan won 2-0 against a pair from Peru in just 25 minutes.
From 4:00 p.m. today, the 1/16 final of the second half of the zone will be played, and the women's singles Wang Zhiyi of the Chinese team, Zhang Nan/Ou Xuanyi and He Jiting/Tan Qiang of the men's doubles, Zheng Yu/Li Wenmei and Liu Xuanxuan/Xia Yuting of the women's doubles team, and Guo Xinwa/Zhang Shuxian of the mixed doubles will all appear.