![BIEL, SWITZERLAND - APRIL 11 : Sorana Cirstea in action at the 2017 Ladies Open Biel WTA International tennis tournament Stock Photo - Alamy BIEL, SWITZERLAND - APRIL 11 : Sorana Cirstea in action at the 2017 Ladies Open Biel WTA International tennis tournament Stock Photo - Alamy](https://c8.alamy.com/comp/J0MGFM/biel-switzerland-april-11-sorana-cirstea-in-action-at-the-2017-ladies-J0MGFM.jpg)
BIEL, SWITZERLAND - APRIL 11 : Sorana Cirstea in action at the 2017 Ladies Open Biel WTA International tennis tournament Stock Photo - Alamy
![BIEL, SWITZERLAND - APRIL 11 : Belinda Bencic in action at the 2017 Ladies Open Biel WTA International tennis tournament Stock Photo - Alamy BIEL, SWITZERLAND - APRIL 11 : Belinda Bencic in action at the 2017 Ladies Open Biel WTA International tennis tournament Stock Photo - Alamy](https://c8.alamy.com/comp/J0MGE1/biel-switzerland-april-11-belinda-bencic-in-action-at-the-2017-ladies-J0MGE1.jpg)
BIEL, SWITZERLAND - APRIL 11 : Belinda Bencic in action at the 2017 Ladies Open Biel WTA International tennis tournament Stock Photo - Alamy
![BIEL, SWITZERLAND - APRIL 11 : Marie Bouzkova in action at the 2017 Ladies Open Biel WTA International tennis tournament Stock Photo - Alamy BIEL, SWITZERLAND - APRIL 11 : Marie Bouzkova in action at the 2017 Ladies Open Biel WTA International tennis tournament Stock Photo - Alamy](https://c8.alamy.com/comp/J0MGEP/biel-switzerland-april-11-marie-bouzkova-in-action-at-the-2017-ladies-J0MGEP.jpg)