Thailand’s Ratchanok Intanon eliminated top seed Nozomi Okuhara to secure her place in the women’s singles final at the Badminton World Federation (BWF) German Open in Mülheim.
Intanon recorded a 21-15, 21-12 win over her Japanese opponent at the Innogy Sporthalle.
Standing between her and glory is another Japanese player, Akane Yamaguchi, who beat Malaysia's Goh Jin Wei 21-14, 21-11 to move to within one victory of a third successive BWF German Open crown.
In the men’s singles event, top seed Kento Momota of Japan remains on course for success after defeating Denmark’s Hans-Kristian Solberg Vittinghus 24-26, 21-16, 21-15 in the semi-finals.
Awaiting him in the final is compatriot Kenta Nishimoto, a 21-15, 18-21, 21-16 winner at the expense of two-time defending champion Chou Tien Chen of Chinese Taipei.
Both the men's and women's singles finals are due to take place tomorrow.
The BWF World Tour event is ranked as a Super 300.
It offers prize money of $150,000 (£114,000/€132,000).