Siniaková defeats her opponents, not giving a chance even to Boulter. She will play for the title in Osaka.

Tennis player Kateřina Siniaková reached the WTA singles final for the first time in three years, defeating Katie Boulter in the semifinals. She will compete for her sixth career title against Ashlyn Krueger. Siniaková's victory over Boulter took 1 hour and 25 minutes, marking her 11th career final with a 5-5 title match record. Her last win was in October 2023 against Marie Bouzkova.