Davis Cup coach Wally Masur says Nick Kyrgios will thrive against Roger Federer

By David Polkinghorne
Updated May 24 2015 - 11:13am, first published May 4 2015 - 5:47pm

Australian Davis Cup coach Wally Masur says Nick Kyrgios will "thrive" if he gets the chance to add the scalp of world No.2 Roger Federer to his resume, which already includes Rafael Nadal.