2011 Aircel Chennai Open – Singles

The 2011 Aircel Chennai Open was the 16th edition of the ATP tennis tournament held in Chennai, India, from January 3 to January 9, 2011. As part of the ATP World Tour 250 series, this men's singles event attracted a competitive field of international players, showcasing talent from India and around the globe. The singles main draw featured prominent professional players, including defending champion Marin Čilić and rising star Janko Tipsarević. Ultimately, it was Tipsarević who triumphed, capturing his first ATP title by defeating Čilić in the final with a score of 7–6(7–4), 6–4. This victory not only marked a significant milestone in Tipsarević's career but also highlighted the tournament's role in promoting tennis in India.