Two Indian pairs have advanced to the semifinals of Doubles category in Chennai Open Tennis. Rohan Bopanna and Jeevan Nedunchezhiyan won in style against the US-Austrian pair James Cerretani and Philipp Oswald 6-2, 3-6, 12-10.Purav Raja-Divij Sharan crushed the Austrian-Argentine duo Jurgen Melzer – Renzo Olivio 6-4, 7-5 to moved on to the semi-finals. In singles, India's Yuki Bhambri stumbled out after putting up a spirited fight against Benoit Paire.