(L-R) Rafael Nadal, Madison Keys, Serena Williams, Maria Sharapova, Nick Kyrgios, Andre Agassi, Roger Federer, Grigor Dimitrov, John McEnroe, Genie Bouchard, and Pete Sampras attend Nike's 'NYC Street Tennis' event on August 24, 2015 in New York City. (Getty)
Tennis pro Maria Sharapova attends Nike's 'NYC Street Tennis' event on August 24, 2015 in New York City (Getty)
Genie Bouchard attends Nike's 'NYC Street Tennis' event on August 24, 2015 in New York City. (Getty)
Serena Williams attends Nike's 'NYC Street Tennis' event on August 24, 2015 in New York City.(Getty)
Pete Sampras attends Nike's 'NYC Street Tennis' event on August 24, 2015 in New York City. (Getty)
(L-R, front) Tennis players Madison Keys, Maria Sharapova, Roger Federer and (L-R, rear) Serena Williams, Nick Kyrgious, andre Agassi and Grigor Dimitrov attend Nike's 'NYC Street Tennis' event on August 24, 2015 in New York City. (Getty)
Tamron Hall (L) and Roger Federer attend Nike's 'NYC Street Tennis' event on August 24, 2015 in New York City. (Getty)
Maria Sharapova (Getty)
TV news personality Tamron Hall (L) and tennis pro Maria Sharapova attend Nike's 'NYC Street Tennis' event on August 24, 2015 in New York City.(Getty)