The World No. 1 shows his commitment to the children by partnering with the World Bank and Unicef to aid developing children.
Eugenie Bouchard has been working with Jimmy Connors in New York.
After a 14-year ATP career, Robby Ginepri is hanging up the racquet.
Novak Djokovic and Rafael Nadal could meet in the quartertfinals at the US Open. This and more men's singles draw highlights here:
Promoting his role as brand ambassador for Tommy Hilfiger, Rafa thrills fans playing strip tennis in Bryant Park.
The brash former bad boy thinks there's still time for Nick Kyrgios to get it together.
Serena Williams addresses the fact the Maria Sharapova out-earns her in the endorsement department in a New York Times article.