This is a list of the main career statistics of Serbian professional tennis player and former world no. 1, Jelena Janković. To date, Janković has won 15 WTA singles titles including four WTA Tier I singles titles, one WTA Premier Mandatory singles title and one WTA Premier 5 singles title. Janković was also the runner-up in singles at the 2008 US Open, a semi-finalist at the year-ending WTA Tour Championships in 2008, 2009 and 2013 and a quarterfinalist at the 2008 Beijing Olympics.