INDIAN WELLS, CA - MARCH 09: Samantha Stosur of Australia serves to Madison Keys during day 4 of the BNP Paribas Open at Indian Wells Tennis Garden on March 9, 2013 in Indian Wells, California. ... more 

INDIAN WELLS, CA - MARCH 09: Samantha Stosur of Australia serves to Madison Keys during day 4 of the BNP Paribas Open at Indian Wells Tennis Garden on March 9, 2013 in Indian Wells, California. Sto0sur won 6-3, 6-4. (Photo by Stephen Dunn/Getty Images) less