Mirza-Black beat top seeds Errani-Vinci to reach finals of China Open

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.