In Tennis, the Indian contingent begins their main-draw campaign of the Chennai Open Men's tournament, the first ATP tour event of the year, at the SDAT-Nungambakkam Stadium on Monday.In the opening round of the singles category, while Yuki Bhambri takes on Karol Beck of Slovakia, Vishnu Vardhan faces Ivan Dodig of Croatia.In the Doubles event, the Indian duo of Mohit Mayur Jayaprakash and Ramkumar Ramanathan clash with the Israeli pair of Jonathan Erlich and Andy Ram in the first round.