Roger Federer plays Slovenia 's Grega Zemlja in his opening match Monday . He won U.S Open five times in a row from 2004 , but is now ranked seventh . TL;DR The 32-year-old faces a potential quarterfinal against in-form rival Rafael Nadal .
Roger Federer plays Slovenia 's Grega Zemlja in his opening match Monday . He won U.S Open five times in a row from 2004 , but is now ranked seventh . Nick Bollettieri says his performances in New York and Australia will dictate his future . The 32-year-old faces a potential quarterfinal against in-form rival Rafael Nadal .