In Chennai Open Men's Tennis, Indian stalwarts will today play their quarter-final matches in the Doubles category at the SDAT-Nungambakkam Tennis stadium in Chennai.While the Indian duo of Mahesh Bhupathi and Rohan Bopanna will face the Swiss-German pair of Stanislas Wawrinka and Andreas Beck, the Indo-Serbian combine of Leander Paes and Janko Tipsarevic will take on the Italian-Slovakian pair of Fabio Fognini and Igor Zelenay.In the Singles category, India's Yuki Bhambri, will today clash with Janko Tipsarevic of Serbia in the pre-quarterfinals.