Tai Tzu-ying is targeting her third successive All England Open title after reaching the women's singles final in Birmingham yesterday.
The top seed and world No.1 from Taiwan overcame fourth seed Akane Yamaguchi of Japan 21-13, 10-21, 21-8 in the 47-minute semi-final match at Arena Birmingham yesterday.
The 24-year-old from Kaohsiung awaits the winner of the second semi-final between second seed Nozomi Okuhara of Japan and third seed Chen Yufei of China.
Earlier, third seeds Mayu Matsumoto and Wakana Nagahara of Japan beat seventh-seeded compatriots Shiho Tanaka and Koharu Yonemoto 21-11, 21-12 to earn their spot in the women's doubles decider.
Another Japanese pairing of Yuta Watanabe and Arisa Higashino, the third seeds, advanced to the mixed doubles title match after beating Malaysia's Goh Soon Huat and Shevon Jemie Lai while sixth seeds Mohammad Ahsan and Hendra Setiawan of Indonesia reached the men's doubles final following an upset win over third seeds Takeshi Kamura and Keigo Sonoda of Japan.
Men's top seed Kento Momota of Japan was due to play Angus Ng Ka Long of Hong Kong while defending champion Shi Yuqi of China was to play Danish sixth seed Viktor Axelsen later last night.
Fourth seeds Dechapol Puavaranukroh and Sapsiree Taerattanachai, the last remaining Thai players in the tournament, fell to Praveen Jordan and Melati Daeva Oktavianti of Indonesia in the mixed doubles quarter-finals on Friday night.