World Tennis Challenge

Keywords

Martina Hingis of Switzerland competes during the World Tennis... News PhotoAdelaide,Australia,Competition,Martina Hingis,Memorial Drive Tennis Club,Sport,Switzerland,Tennis,VerticalPhotographer Collection: Getty Images Sport 2013 Getty ImagesADELAIDE, AUSTRALIA - JANUARY 09: Martina Hingis of Switzerland competes during the World Tennis Challenge at Memorial Drive on January 9, 2013 in Adelaide, Australia. (Photo by Morne de Klerk/Getty Images)