![Serbia's Jelena Jankovic returns the ball to Italy's Flavia Pennetta during their match at the Pan Pacific Open tennis tournament in Tokyo in this September 18, 2008 file photo. Jankovic has achieved Serbia's Jelena Jankovic returns the ball to Italy's Flavia Pennetta during their match at the Pan Pacific Open tennis tournament in Tokyo in this September 18, 2008 file photo. Jankovic has achieved](https://c8.alamy.com/comp/2E8J011/serbias-jelena-jankovic-returns-the-ball-to-italys-flavia-pennetta-during-their-match-at-the-pan-pacific-open-tennis-tournament-in-tokyo-in-this-september-18-2008-file-photo-jankovic-has-achieved-her-dream-of-being-the-worlds-top-tennis-player-after-she-almost-quit-the-sport-in-2006-following-a-run-of-poor-results-and-niggling-injuries-to-match-feature-tennisjankovic-reutersissei-katofiles-japan-2E8J011.jpg)
Serbia's Jelena Jankovic returns the ball to Italy's Flavia Pennetta during their match at the Pan Pacific Open tennis tournament in Tokyo in this September 18, 2008 file photo. Jankovic has achieved
![Jelena Jankovic (SRB), Professional Tennis Player Editorial Stock Image - Image of jankovic, professional: 11616604 Jelena Jankovic (SRB), Professional Tennis Player Editorial Stock Image - Image of jankovic, professional: 11616604](https://thumbs.dreamstime.com/z/jelena-jankovic-srb-professional-tennis-player-11616604.jpg)
Jelena Jankovic (SRB), Professional Tennis Player Editorial Stock Image - Image of jankovic, professional: 11616604
![Tennis pro Jelena Jankovic from Serbia and Montenegro serves in her quarter-finals match vs Russian Svetlana Kusnetsova at the Porsche Tennis Grand Prix 2006 in Stuttgart, Germany, Friday, 06 October 2006. Kusnetsova Tennis pro Jelena Jankovic from Serbia and Montenegro serves in her quarter-finals match vs Russian Svetlana Kusnetsova at the Porsche Tennis Grand Prix 2006 in Stuttgart, Germany, Friday, 06 October 2006. Kusnetsova](https://c8.alamy.com/comp/D3P97C/tennis-pro-jelena-jankovic-from-serbia-and-montenegro-serves-in-her-D3P97C.jpg)