Because of her results at these tournaments, her ranking rose to world no.10, the first time she had been included in the top 10.
She later said this run caused her to consider quitting tennis.At the French Open, Janković reached the third round for the first time, where she lost to world no. At Wimbledon, Janković defeated sixth-seeded and defending champion Venus Williams in the third round in three sets.Competing in the fourth round of a Grand Slam event for the first time, she lost to ninth-seeded Anastasia Myskina. 2 Justine Henin in three sets, after Janković had led 6–4, 4–2.This improved her ranking to a new career-high of world no 3.On grass, Janković captured the DFS Classic title in Birmingham, beating top-seeded Maria Sharapova in the final.In 2001, she started to play on the WTA Tour; she reached the second round at her first tournament at the Indian Wells Masters. 1 for seventeen consecutive weeks until she was overtaken by Serena Williams on 2 February 2009. 1 in 2008, the first player in the history of the WTA tour to do this without winning a Grand Slam title.