Top seed Stanislas Wawrinka has lifted his second Chennai Open Tennis trophy. In the final yesterday, the Swiss star recorded a convincing win over Frenchman Edouard Roger-Vasselin. World number eight Wawrinka won in straight sets 7-5, 6-2. The match lasted one hour and 35 minutes. Wawrinka had earlier won his first Chennai Open title in 2011. The Swiss star has now lifted five ATP World Tour titles.