Jelena Janković

Jelena Janković (born February 28, 1985) is a Serbian tennis player. She has a career-high World No.1 in singles which was achieved in August 2008, losing it the next week to fellow Serbian Ana Ivanovic. She has a career-high doubles rank of 19 achieved on June 9, 2014, just days before the 2014 World Cup.

Early life
Jelena Jankovic was born in Belgrade on February 28, 1985. In her early days of playing tennis, Jankovic went to a university in Belgrade, Serbia.

2007: Top ten debut
Jelena Jankovic started the season nearing the top ten. She climbed to the top ten in the WTA rankings due to her success in tournaments in the first half of the year that saw her get more than 50 WTA match wins in the first half of the year. Jankovic was the WTA match leader in wins, winning 72 matches, which is likely a WTA record.