Their three previous meetings had all ended in victories for Feng, but the 29-year-old faced the prospect of defeat after Cheng won the opening two games of their quarter-final match 11-9, 11-7.

Feng was able to respond in the next games to draw level in the match, only for Cheng to regain control to eventually emerge as an 11-9, 11-7, 9-11, 7-11, 11-3, 12-10 winner of the contest, against the sixth seeded player.

“All I can say is wow, amazing, oh my God,” said Cheng

“I can’t believe it, the match was just perfect, my biggest win.

“I played so well, everything went like a dream; I am so happy, wow.”

She will now face China’s Ding Ning, who recorded an 11-5, 12-10, 11-4, 11-6 win over home favourite Hayata Hina.

Reigning Olympic champion Li Xiaoxia fell to defeat to her Chinese team-mate Zhu Yuling in their quarter-final tie.

Zhu, who despite being ranked third in the world was not selected in China’s team for Rio 2016, battled to an 11-8, 11-9, 5-11, 14-12, 11-6 win over Li.

She will now meet Liu Shiwen in the semi-finals, after the Chinese player earned an 11-7, 11-4, 11-4, 11-4 win against Hong Kong’s Tie Yana.

In the men’s event, world number one Ma Long ended home hopes of success by cruising to a 11-7, 11-8, 11-9, 11-8 victory over Japan’s Jun Mizutani in their quarter-final contest.

He will now compete in an all-Chinese semi-final against Xu Xin, who defeated Hong Kong’s Wong Chun Ting 11-7, 11-5, 8-11, 11-3, 11-8.

The Chinese team are already assured of winning the tournament, after Zhang Jike and Fan Zhendong triumphed in their quarter-finals.

Zhang defeated Belarus’ Vladimir Samsonov 11-8, 5-11, 15-13, 11-2, 8-11, 11-6, while Fan overcame Simon Gauzy 7-11, 11-5, 11-5, 11-6, 11-8.