Fifth seeded pair of Sania Mirza and Cara Black has progressed to the quarterfinals of the Madrid Open tennis tournament. In a second round contest in Madrid today, the Indo-Zimbabwean team defeated the Taipei-Proteas duo of Hao-Ching Chan and Chanelle Scheepers in straight sets 6-4, 6-1. Sania and Cara will now fight it with either wild card entrants Italian Francesca Schiavone and her Spanish partner Silvia Soler-Espinosa or the top seeds Su-Wei Hsieh from Taipei and Shuai Peng of China. Sania and Cara have moved to third place in the Race to Singapore, where the year-end finals will be played inNovember. World number one team Sara Errani and Roberta Vinci are heading the table with 3430 points, followed by Elena Vesnina and Ekaternia Makarova (2266). Sania and Cara who have 2,247 points.