Chong Wei surges into semi-finals

Aung Thu at Muangthong United

Chong Wei has been in red-hot form since making his comeback from an eight-month doping ban, and he has continued to show his class this week.

The 32-year-old did not look troubled at all during his match and will now face B Sai Praneeth in the semi-finals after the Indian shuttler he stunned Hong Kong's Ng Ka Long Angus 21-8, 21-14. 

All the other top seeds progressed, with number one seed Chou Tien Chen beating Japan's Takuma Ueda 21-11, 21-19 and third seed Hans-Kristian Vittinghus defeating Kenta Nishimoto 21-10, 21-16. 

There were no surprises in the women's singles event as top seed Nozomi Okuhara cruised past compatriot Minatsu Mitani 21-8, 21-15. Second seed Akane Yamaguchi survived a major scare as she managed to beat Scotland's Kirsty Gilmour 21-23, 21-13, 21-16 in one hour and three minutes. 

There was one major upset in the men's doubles as sixth seed Kenta Kazuno and Kazushi Yamada were beaten by China's Junhui Li and Yuchen Liu 21-13, 19-21, 21-18.

In the women's double event, second seed Eefje Muskens and Selena Piek were defeated by China's Yu Yang and Zhong Quanxin 21-15, 21-11, while third seed Shizuka Matsuo and Mami Naito lost to compatriots Naoko Fukuman and Kurumi Yanao 21-11, 21-19. 

All the top seeds advanced in the mixed doubles with number one seed Michael Fuchs and Birgit Michels of Germany beating Australia's Robin Middleton and Leanne Choo 21-17, 21-16. 

Second seed Lee Chun Hei Reginald and Chau Hoi Wah of Hong Kong also advanced to the semi-finals after easing past Germany's Peter Kaesbauer and Carla Nelte 21-4, 22-20.