2012 Aircel Chennai Open – Singles

The 2012 Aircel Chennai Open – Singles was the premier outdoor hard court tennis tournament held in Chennai, India, from January 2 to January 8, 2012. Part of the ATP World Tour 250 series, this event marked the 17th edition of the Chennai Open, making it India's oldest professional tennis tournament. Defending champion Janko Tipsarević returned to compete, facing a field that included notable players such as Martin Klizan and Viktor Troicki. The tournament showcased emerging talent alongside established stars, contributing to the growing popularity of tennis in India. In the singles final, defending champion Tipsarević successfully retained his title, defeating the Slovakian player Martin Klizan in a closely contested match.