India's Sania Mirza and Zimbabwe's Cara Black have reached the finals of the WTA China Open by beating top seeds Sara Errani and Roberta Vinci of Italy 6-4, 6-4.
There were five breaks of serves each in both the first and the second set but the Indo-Zimbabwean pair held their ground to win with a slight advantage.
The first set took 37 minutes while the second 36 minutes to complete.
Mirza and Black together won the Pan Pacific Open in Tokyo recently.
