![Ana Ivanovic of Serbia reacts during her semi-final match against Justine Henin of Belgium at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo - Alamy Ana Ivanovic of Serbia reacts during her semi-final match against Justine Henin of Belgium at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo - Alamy](https://c8.alamy.com/comp/2E8A4NB/ana-ivanovic-of-serbia-reacts-during-her-semi-final-match-against-justine-henin-of-belgium-at-the-wta-championships-tennis-tournament-in-madrid-november-10-2007-reuterssergio-perez-spain-2E8A4NB.jpg)
Ana Ivanovic of Serbia reacts during her semi-final match against Justine Henin of Belgium at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo - Alamy
![Ana Ivanovic of Serbia in action against Kim Clijsters of Belgium during fourth round match at the US Open in Flushing Meadow, New York Stock Photo - Alamy Ana Ivanovic of Serbia in action against Kim Clijsters of Belgium during fourth round match at the US Open in Flushing Meadow, New York Stock Photo - Alamy](https://c8.alamy.com/comp/2F90J2J/ana-ivanovic-of-serbia-in-action-against-kim-clijsters-of-belgium-during-fourth-round-match-at-the-us-open-in-flushing-meadow-new-york-2F90J2J.jpg)
Ana Ivanovic of Serbia in action against Kim Clijsters of Belgium during fourth round match at the US Open in Flushing Meadow, New York Stock Photo - Alamy
![Ana Ivanovic of Serbia returns a backhand to Justine Henin of Belgium during her semi-final match at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo - Ana Ivanovic of Serbia returns a backhand to Justine Henin of Belgium during her semi-final match at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo -](https://c8.alamy.com/comp/2E834H9/ana-ivanovic-of-serbia-returns-a-backhand-to-justine-henin-of-belgium-during-her-semi-final-match-at-the-wta-championships-tennis-tournament-in-madrid-november-10-2007-reuterssergio-perez-spain-2E834H9.jpg)
Ana Ivanovic of Serbia returns a backhand to Justine Henin of Belgium during her semi-final match at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo -
![Ana Ivanovic of Serbia reacts during her semi-final match against Justine Henin of Belgium at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo - Alamy Ana Ivanovic of Serbia reacts during her semi-final match against Justine Henin of Belgium at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo - Alamy](https://c8.alamy.com/comp/2D2KYHB/ana-ivanovic-of-serbia-reacts-during-her-semi-final-match-against-justine-henin-of-belgium-at-the-wta-championships-tennis-tournament-in-madrid-november-10-2007-reuterssergio-perez-spain-2D2KYHB.jpg)
Ana Ivanovic of Serbia reacts during her semi-final match against Justine Henin of Belgium at the WTA Championships tennis tournament in Madrid November 10, 2007. REUTERS/Sergio Perez (SPAIN Stock Photo - Alamy
![Ana Ivanovic of Serbia and Montenegro wipes her face during her match against Nadia Petrova of Russia in the second round of the WTA Proximus Diamond Games tennis tournament in Antwerp, Belgium Ana Ivanovic of Serbia and Montenegro wipes her face during her match against Nadia Petrova of Russia in the second round of the WTA Proximus Diamond Games tennis tournament in Antwerp, Belgium](https://c8.alamy.com/comp/2D2JT6R/ana-ivanovic-of-serbia-and-montenegro-wipes-her-face-during-her-match-against-nadia-petrova-of-russia-in-the-second-round-of-the-wta-proximus-diamond-games-tennis-tournament-in-antwerp-belgium-february-15-2006-reutersyves-herman-2D2JT6R.jpg)