Albert Montañés was the defending champion, but chose to compete in the Serbia Open instead.
The third edition of the event hosted by current Serbian star Novak Djokovic, it was part of the ATP World Tour 250 series of the 2011 ATP World Tour.
Serbia | 2011 | 2011 ATP Challenger Tour | Australian Open | French Open | Open University | open source | 2011 ATP World Tour | U.S. Open | 2011 Rugby World Cup | 2011 ITF Women's Circuit | 2011 Tōhoku earthquake and tsunami | 2011 Pan American Games | 2011 Christchurch earthquake | Serbia and Montenegro | Wacken Open Air | 2011 Summer Universiade | 2011 Pacific Games | The Open Championship | Miss Universe 2011 | 2011 Copa América | U.S. Open (tennis) | Eurovision Song Contest 2011 | 2011 WTA Tour | 2011 in radio | All England Open Badminton Championships | U.S. Open (golf) | Open Source | Open-pit mining | Kingdom of Serbia |