Shi, who won the Malaysia and All-England Opens this year, took just half an hour to beat Wang while twice runner-up Antonsen of Denmark defeated Hong Kong’s Lee Cheuk Yiu 23-21, 21-9.

Thailand’s world No 1 Kunlavut Vitidsarn eased past Frenchman Alex Lanier 21-12, 21-16 to set up a semi-final clash with the 2019 winner Chou Tien-chen of Taiwan, who took out China’s Li Shifeng after losing the first game.

In the women’s draw, defending champion Chen Yufei withdrew due to injury, allowing her fellow Chinese opponent Han Yue to advance to the semi-finals. World No 2 Wang Zhiyi of China took down compatriot Gao Fangjie 21-18, 23-21.

Women’s top seed and Olympic Champion An Se-young continued her dominant form, dispatching Thailand’s Pornpawee Chochuwong, seeded sixth, 21-11, 21-10 in under 40 minutes.

Japanese third seed Akane Yamaguchi crushed home hopes by beating Putri Kusuma Wardani, the last remaining Indonesian in the women’s singles draw.