She will next play second seed Victoria Azarenka, who eliminated Caroline Wozniacki 6-3, 7-6 (7/5) in a night match.
The win was only the third in nine meetings for Azarenka against Wozniacki.
Meanwhile, Taiwan’s Hsieh Su-wei and Peng Shuai of China defeated Russian duo Ekaterina Makarova and Elena Vesnina Russia, 6-1, 3-6, 10-3 to reach the final of the women’s doubles.
The No. 3 seeds’ victory earned them a showdown against Germany’s Anna-Lena Groenefeld and Kveta Peschke of the Czech Republic, who downed Julia Goerges of Germany and Barbora Zahlavova Strycova of the Czech Republic, 6-3, 6-2 in the other semi-final.
Additional reporting by staff writer