Sorana Mihaela Cîrstea (Romanian pronunciation: [soˈrana ˈkɨrste̯a]; born 7 April 1990) is a Romanian tennis player. In singles, she achieved her career-high ranking of world No. 21 on 12 August 2013. In doubles, her career-high ranking is world No. 35, which she reached on 9 March 2009. Her biggest achievements have been reaching the quarterfinals at the 2009 French Open and reaching the final at the 2013 Rogers Cup. Over her career, Cîrstea has defeated top ten players Anna Chakvetadze, Sara Errani, Jelena Janković, Angelique Kerber, Petra Kvitová, Li Na, Karolína Plíšková, Francesca Schiavone, Sam Stosur, Caroline Wozniacki, and Vera Zvonareva.