In the women's singles focus match of the semi-finals of the Badminton World Championships, Chen Yufei lost to world number one An Xiying 19-21 and 15-21, missing the final. At this point, Guoyu failed to reach the finals in the men's singles, women's singles, and men's doubles events, and the heavy responsibility of competing for gold was once again handed over to mixed doubles duo Zheng Siwei/Huang Yaqiong and women's doubles duo Chen Chenchen/Jia Yifan.

This women's singles semi-final is the 16th match between Chen Yufei and An Xiying. Before this year, Chen Yufei had an absolute advantage with 8 wins and 1 loss, but this season, South Korean girls have been in great form, winning 5 out of 7 matches. Chen Yufei only won the Sudirman Cup final and the Indonesia Open final in straight sets.

In this match, Chen Yufei was not in her best form. It is reported that two days ago, Chen Yufei's foot couldn't fall to the ground at all. When asked by reporters after the game, she said, "Injury is not the reason for losing the game, and there are also areas where she hasn't done well in other aspects."

This season, Chen Yufei only won one championship in the Super 1000 Indonesia Open, while An Xiying has already won 7 championships and 3 Asian championships. To defeat An Xiying in the future, Chen Yufei said, "We still need to strengthen ourselves in all aspects, prepare more fully and firmly."

On the sixth competition day, the final list will be determined for five events. Liang Weikeng/Wang Chang, the only pair in the Chinese men's doubles, narrowly lost to the Danish pair Astrup/Rasmussen at home and missed the World Championships final, earning a bronze medal.

There is no suspense about the two "civil wars" in mixed doubles and women's doubles. The world's top mixed doubles duo Zheng Siwei/Huang Yaqiong defeated the post-00s duo Jiang Bangzhen/Wei Yaxin in straight sets, while the world's top women's doubles duo Chen Chenchen/Jia Yifan easily defeated Zhang Shuxian/Zheng Yu to advance to the finals.

The IELTS duo will compete against South Korean mixed doubles duo Xu Chengzai/Cai Youding in the final on the 27th, while the Fanchen duo will face a challenge from Indonesian women's doubles duo Lahayu/Siti.