The fifth seeds will face Russian third seeds Ekaterina Makarova and Elena Vesnina, who beat fellow Russian Maria Kirilenko and Nadia Petrova 6-4, 7-5 in the other semifinal.
Bops-Hesh crash out
Meanwhile, the Indian pair of Rohan Bopanna and Mahesh Bhupathi were defeated 2-6, 6-7 (8) by Carlos Berlocq of Argentina and Denis Istomin of Uzbekistan in the second round of the men’s doubles event.
Novak, Li in semis
World No 2 Novak Djokovic raced into the last four with a
6-1, 6-2 win over Austrian Jurgen Melzer as home favourite Li Na set up a testing women’s semi-final with Russian Maria Sharapova in the women’s draw. Li beat defending champion Agnieszka Radwanska of Poland 6-4, 6-2 to join Sharapova and Victoria Azarenka in the last four.