See main article: 2011 Aircel Chennai Open and 2011 Aircel Chennai Open – Singles. The 2011 Aircel Chennai Open was a tennis tournament played on outdoor hard courts. It was the 16th edition of the Chennai Open, and part of the 250 series of the 2011 ATP World Tour. It took place at the SDAT Tennis Stadium in Chennai, India, from 3 January through 9 January 2011.[1]