Jelena Janković (Serbian: Јелена Јанковић, pronounced [ˈjɛlɛna 'jaːnkɔviʨ]; ne February 28, 1985) is a Serbian professional tennis player. She was ranked World No. 1 for seventeen consecutive weeks until she was overtaken by Serena Williams on February 2, 2009. She was the year-end World No. 1 in 2008. As of April 6, 2009, she is ranked World No. 4. Janković has reached the singles final of the US Open and the singles semifinals of the Australian Open and the French Open. In 2007, she won the Wimbledon mixed doubles title with British partner Jamie Murray.
