![Billie Jean King, Serena Williams, tennis players pay tribute to former world no 1 Ana Ivanovic as she retires Billie Jean King, Serena Williams, tennis players pay tribute to former world no 1 Ana Ivanovic as she retires](https://fansided.com/files/2014/01/7630578.jpg)
Billie Jean King, Serena Williams, tennis players pay tribute to former world no 1 Ana Ivanovic as she retires
![Serbia's Jelena Jankovic appears dejected during her match against USA's Melanie Oudin during the 2009 Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon, London Stock Photo - Alamy Serbia's Jelena Jankovic appears dejected during her match against USA's Melanie Oudin during the 2009 Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon, London Stock Photo - Alamy](https://c8.alamy.com/comp/GBTH2K/serbias-jelena-jankovic-appears-dejected-during-her-match-against-GBTH2K.jpg)
Serbia's Jelena Jankovic appears dejected during her match against USA's Melanie Oudin during the 2009 Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon, London Stock Photo - Alamy
![Tennis Server ATP/WTA Pro Tennis Showcase - 2007 Roger Cup (Women's) - Toronto, Canada - Jelena Jankovic / Sybille Bammer Tennis Server ATP/WTA Pro Tennis Showcase - 2007 Roger Cup (Women's) - Toronto, Canada - Jelena Jankovic / Sybille Bammer](http://www2.tennisserver.com/images/photofeed/2007/rogers-cup/070816/Jankovic-Bammer/IMG_1337.jpg)