In Tennis, the Indian contingent will begin their main-draw campaign of the Chennai Open Men's tournament, the first ATP tour event of the year, at the SDAT-Nungambakkam Stadium today.In the opening round of the singles category, while Yuki Bhambri will take on Karol Beck of Slovakia, Vishnu Vardhan will face Ivan Dodig of Croatia.In the Doubles event, the Indian duo of Mohit Mayur Jayaprakash and Ramkumar Ramanathan will clash with the Israeli pair of Jonathan Erlich and Andy Ram in the first round today.Yesterday, India's Rohan Bopanna and Mohit Mayur Jayaprakash made a shock exit in the second round of the Singles qualifying matches.