Leander Paes and Sania Mirza, with their teammates, will play their quarterfinal matches of the China Open Tennis tournament at Beijing today. In the Men's Doubles, the top seeded Indo-Canadian team of Paes and Daniel Nestor will take on the Spanish pair of Fernando Verdasco and David Marrero. In the Women's Doubles, the eighth seeded Indo-Zimbabwean duo of Sania Mirza and Cara Black will clash with China's Jie Zheng and her team-mate from Chinese Taipei, Yung-Jan Chan.