Top seed Akane Yamaguchi lived up to her billing as the world No.1 with a 21-10, 18-21, 21-16 win over reigning Olympic champion Chen Yufei of China to reach the women's singles final of the US$850,000 BWF Singapore Open yesterday.
Yamaguchi will take on second seed An Se-Young of South Korea who defeated third seed Tai Tzu-ying of Taiwan 21-16, 21-14 in the other semi-final.
World No.2 An is chasing her second title in as many weeks after her victory at the Thailand Open last Sunday.
Anders Antonsen of Denmark edged past third seed Kodai Naraoka of Japan 19-21, 21-16, 21-17 in the first men's singles semi-final.
He will face either seventh-seeded Thai Kunlavut Vitidsarn or second seed Anthony Ginting of Indonesia in the title showdown of the World Tour Super 750 event.
In the women's doubles, top seeds Chen Qingchen and Jia Yifan of China defeated compatriots Li Wenmei and Liu Xuanxuan 21-18, 21-12 to reach the final.
They will play eighth seeds Baek Ha-Na and Lee So-Hee in the final after the Korean pair rallied to defeat another Chinese duo, third seeds Zhang Shuxian and Zheng Yu, 16-21, 21-18, 21-10.
In the mixed doubles, second seeds Yuta Watanabe and Arisa Higashino of Japan defeated Chen Tang Jie and Toh Ee Wei of Malaysia 21-17, 24-22.
They will play Mathias Christiansen and Alexandra Hoje of Denmark in the final after the Danes downed eighth seeds Kim Won-Ho and Jeon Na-Eun of South Korea 21-19, 21-9.
In the men's doubles, Liang Weikeng and Wang Chang of China v Aaron Chia and Soh Wooi Yik of Malaysia 16-21, 21-15, 21-17 to advance to the final.
They will meet either fourth seeds Takuro Hoki and Yugo Kobayashi of Japan or Choi Sol-Gyu and Kim Won-Ho of South Korea in today's decider.