Prakash Amritraj has entered into second round of the Men's Singles of Chennai Open Tennis Tournament. He defeated Gilam Raphin of France by 6-7, 6-2 and 6-3.In an another match of first round of Men's doubles, India's Leander Paes and Edward Rozer Vaislin of France, will take on with Sanchai Rativatna and Sonchat Rativatna of Thailand later tonight.