Jelena Janković born on 28 February 1985 is a professional tennis player from Serbia.
Janković is a former World No. 1 in singles, in the months following her finals appearance at the 2008 US Open. Janković’s career highlights include winning the 2007 Wimbledon Mixed Doubles title with Jamie Murray, the 2010 BNP Paribas Open, the Internazionali BNL d’Italia twice, in 2007 and 2008 and the aforementioned appearance in the finals of the 2008 US Open. As of 29 July 2013 Janković is ranked No. 16.
Jelena lost in the first round of Mutua Madrid Open to Chanelle Scheepers. She made it to the quarter-final at Internazionali BNL d’Italia where she was defeated by Simona Halep after she missed 2 matchpoints.
At the French Open she took first set 6:0 to Maria Sharapova but after that she lost next two sets 6:4 and 6:3. She also played at Nürnberger Versicherungscup where she was defeated by Andrea Petkovic in the semifinals.
At Wimbledon Championships she lost in the second round of singles to Vesna Dolonc but made it to the quarter-final of doubles (in pair with Mirjana Lucic-Baroni) where they lost to eventual champions Hsieh Su-wei and Peng Shuai.
Janković is currently sponsored by Italian sportswear company Fila. Before Janković had endorsed Anta and Reebok sportswear, and had her own line with them for her tournament wear. Janković also has an endorsement with Prince Sports and now uses the Prince O3 Speedport Pro White Racquet after formerly using the Prince O3 Red Racquet. She now uses the Prince EXO3 Black.