![Jankovic strengthens grip on #1 | Grand Slam Professional Tennis Predictions and Picks by Nick Bollettieri. US Open, French Open, Wimbledon, Australian Open Jankovic strengthens grip on #1 | Grand Slam Professional Tennis Predictions and Picks by Nick Bollettieri. US Open, French Open, Wimbledon, Australian Open](https://i0.wp.com/nickspicks1.wordpress.com/files/2008/09/nick-bollettieri-jelena-jankovic-and-pat-etcheberry.jpg)
Jankovic strengthens grip on #1 | Grand Slam Professional Tennis Predictions and Picks by Nick Bollettieri. US Open, French Open, Wimbledon, Australian Open
![Serbia's Jelena Jankovic returns the ball to Nadia Petrova from Russia during the final match of the Porsche Grand Prix tennis tournament in Stuttgart, Germany, Sunday, Oct. 5, 2008. (AP Photo/Matthias Schrader Serbia's Jelena Jankovic returns the ball to Nadia Petrova from Russia during the final match of the Porsche Grand Prix tennis tournament in Stuttgart, Germany, Sunday, Oct. 5, 2008. (AP Photo/Matthias Schrader](https://l450v.alamy.com/450v/2p9jkb6/serbias-jelena-jankovic-returns-the-ball-to-nadia-petrova-from-russia-during-the-final-match-of-the-porsche-grand-prix-tennis-tournament-in-stuttgart-germany-sunday-oct-5-2008-ap-photomatthias-schrader-2p9jkb6.jpg)
Serbia's Jelena Jankovic returns the ball to Nadia Petrova from Russia during the final match of the Porsche Grand Prix tennis tournament in Stuttgart, Germany, Sunday, Oct. 5, 2008. (AP Photo/Matthias Schrader
![Serbia's Jelena Jankovic reacts as she plays Russia's Maria Sharapova during their Women's semi final match at the Australian Open tennis tournament in Melbourne, Australia, Thursday, Jan. 24, 2008. (AP Photo/Mark Baker Serbia's Jelena Jankovic reacts as she plays Russia's Maria Sharapova during their Women's semi final match at the Australian Open tennis tournament in Melbourne, Australia, Thursday, Jan. 24, 2008. (AP Photo/Mark Baker](https://c8.alamy.com/comp/2PAJ22J/serbias-jelena-jankovic-reacts-as-she-plays-russias-maria-sharapova-during-their-womens-semi-final-match-at-the-australian-open-tennis-tournament-in-melbourne-australia-thursday-jan-24-2008-ap-photomark-baker-2PAJ22J.jpg)
Serbia's Jelena Jankovic reacts as she plays Russia's Maria Sharapova during their Women's semi final match at the Australian Open tennis tournament in Melbourne, Australia, Thursday, Jan. 24, 2008. (AP Photo/Mark Baker
![Serbia's Jelena Jankovic during her Women's semifinal match against Russia's Maria Sharapova at the Australian Open tennis tournament in Melbourne, Australia, Thursday, Jan. 24, 2008. (AP Photo/Andrew Brownbill Stock Photo - Alamy Serbia's Jelena Jankovic during her Women's semifinal match against Russia's Maria Sharapova at the Australian Open tennis tournament in Melbourne, Australia, Thursday, Jan. 24, 2008. (AP Photo/Andrew Brownbill Stock Photo - Alamy](https://c8.alamy.com/comp/2NFX1WB/serbias-jelena-jankovic-during-her-womens-semifinal-match-against-russias-maria-sharapova-at-the-australian-open-tennis-tournament-in-melbourne-australia-thursday-jan-24-2008-ap-photoandrew-brownbill-2NFX1WB.jpg)