Petra Kvitova of the Czech Republic in action against Karolina Pliskova of the Czech Republic in her first round match on Day 3 of the Porsche Tennis...
Victoria Azarenka of Belarus serves the ball to Vera Zvonareva of Russia during their first round match on day 3 of the Porsche Tennis Grand Prix at...
Simona Halep of Romania celebrates after defeating Magdalena Rybarikova of Slovakia during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on...
Simona Halep of Romania plays a forehand to Magdalena Rybarikova of Slovakia during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on April...
Angelique Kerber of Germany celebrates during her match against Petra Kvitova of Czech Republic during day 3 of the Porsche Tennis Grand Prix at...
Angelique Kerber of Germany celebrates during her match against Petra Kvitova of Czech Republic during day 3 of the Porsche Tennis Grand Prix at...
Angelique Kerber of Germany celebrates after defeating Petra Kvitova of Czech Republic during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena...
Petra Kvitova of Czech Republic plays a backhand to Angelique Kerber of Germany during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on...
Angelique Kerber of Germany plays a forehand to Petra Kvitova of Czech Republic during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on...
Anett Kontaveit of Estonia celebrates after defeating Kristina Mladenovic of France during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on...
Anett Kontaveit of Estonia celebrates after defeating Kristina Mladenovic of France during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on...
Anett Kontaveit of Estonia plays a forehand to Kristina Mladenovic of France during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on April...
Anett Kontaveit of Estonia plays a forehand to Kristina Mladenovic of France during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on April...
Anett Kontaveit of Estonia plays a forehand to Kristina Mladenovic of France during day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on April...
CoCo Vanderweghe of the United States plays a fbackhand to Sloane Stephens of the United States during day 3 of the Porsche Tennis Grand Prix at...
CoCo Vanderweghe of the United States plays a backhand to Sloane Stephens of the United States during day 3 of the Porsche Tennis Grand Prix at...
Serena Williams of the USA returns the ball to Na Li of China during the Porsche Tennis Grand Prix at the Porsche Arena on October 1, 2008 in...
Maria Sharapova of Russia lunges for a backhand during her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena...
Maria Sharapova of Russia celebrates winning match point against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena on...
Maria Sharapova of Russia celebrates winning match point against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena on...
Maria Sharapova of Russia celebrates winning match point against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena on...
Maria Sharapova of Russia lunges for a backhand during her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena...
Maria Sharapova of Russia lunges for a forehand during her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena...
Maria Sharapova of Russia plays a forehand during her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena on...
Maria Sharapova of Russia serves during her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena on April 26,...
Maria Sharapova of Russia lunges for a backhand during her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena...
Maria Sharapova of Russia serves during her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche Arena on April 26,...
Naomi Osaka of Japan in action during her match against Johanna Konta of Great Britain during the Porsche Tennis Grand Prix at Porsche Arena on April...
Johanna Konta of Great Britain celebrates winning her match against Naomi Osaka of Japan during the Porsche Tennis Grand Prix at Porsche Arena on...
Johanna Konta of Great Britain in action during her match against Naomi Osaka of Japan during the Porsche Tennis Grand Prix at Porsche Arena on April...
Naomi Osaka of Japan in action during her match against Johanna Konta of Great Britain during the Porsche Tennis Grand Prix at Porsche Arena on April...
Naomi Osaka of Japan in action during her match against Johanna Konta of Great Britain during the Porsche Tennis Grand Prix at Porsche Arena on April...
Johanna Konta of Great Britain in action during her match against Naomi Osaka of Japan during the Porsche Tennis Grand Prix at Porsche Arena on April...
Naomi Osaka of Japan in action during her match against Johanna Konta of Great Britain during the Porsche Tennis Grand Prix at Porsche Arena on April...
Johanna Konta of Great Britain celebrates winning a set during her match against Naomi Osaka of Japan during the Porsche Tennis Grand Prix at Porsche...
Maria Sharapova of Russia plays a forehand during training before her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at...
Carlo Suarez Navarro of Spain in action during her match against Tamara Korpatsch of Germany during the Porsche Tennis Grand Prix at Porsche Arena on...
Maria Sharapova of Russia in action during training before her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche...
Maria Sharapova of Russia in action during training before her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche...
Maria Sharapova of Russia in action during training before her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche...
Maria Sharapova of Russia in action during training before her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche...
Maria Sharapova of Russia in action during training before her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at Porsche...
Maria Sharapova of Russia plays a forehand during training before her match against Roberta Vinci of Italy during the Porsche Tennis Grand Prix at...
Garbine Muguruza of Spain plays a backhand in her match against Timea Babos of Hungary during Day 3 of the Porsche Tennis Grand Prix at Porsche-Arena...
Angelique Kerber of Germany celebrates a point in her match against Annika Beck of Germany during Day 3 of the Porsche Tennis Grand Prix at...
Annika Beck of Germany reacts during her match against Angelique Kerber of Germany during Day 3 of the Porsche Tennis Grand Prix at Porsche-Arena on...
Angelique Kerber of Germany plays a backhand in her match against Annika Beck of Germany during Day 3 of the Porsche Tennis Grand Prix at...
Andrea Petkovic of Germany plays a backhand in her match against Kristina Mladenovic of France during Day 3 of the Porsche Tennis Grand Prix at...
Andrea Petkovic of Germany celebrates match point in her match against Kristina Mladenovic of France during Day 3 of the Porsche Tennis Grand Prix at...
Julia Goerges of Germany celebrates a point in her match against Alize Cornet of France during Day 3 of the Porsche Tennis Grand Prix at...
Julia Goerges of Germany plays a forehand in her match against Alize Cornet of France during Day 3 of the Porsche Tennis Grand Prix at Porsche-Arena...
Julia Goerges of Germany plays a backhand in her match against Alize Cornet of France during Day 3 of the Porsche Tennis Grand Prix at Porsche-Arena...
Andrea Petkovic of Germany hits a backhand during her match against Flavia Pennetta of Italy during day 3 of the Porsche Tennis Grand Prix 2014 at...
Anna Ivanovic of Serbia hits a forehand during her match against Sabine Lisicki of Germany during day 3 of the Porsche Tennis Grand Prix 2014 at...
Anna Ivanovic of Serbia hits a backhand during her match against Sabine Lisicki of Germany during day 3 of the Porsche Tennis Grand Prix 2014 at...
Anna Ivanovic of Serbia celebrates a point during her match against Sabine Lisicki of Germany during day 3 of the Porsche Tennis Grand Prix 2014 at...
Anna Ivanovic of Serbia hits a forehand during her match against Sabine Lisicki of Germany during day 3 of the Porsche Tennis Grand Prix 2014 at...
Sara Errani of Italy hits a forehand during her match against Kaia Kanepi of Estonia during day 3 of the Porsche Tennis Grand Prix 2014 at...
Julia Goerges of Germany hits a forehand during her match against Sorana Cirstea of Romania during day 3 of the Porsche Tennis Grand Prix 2014 at...
Sorana Cirstea of Romania hits a forehand during her match against Julia Goerges of Germany during day 3 of the Porsche Tennis Grand Prix 2014 at...
