On je trenutno trećeplasirani na ATP listi, bio je finalista na Otvorenom prvenstvu SAD 2007. godine, te polufinalista u Roland Garrosu i Wimbledonu 2007, a osvojio je osam naslova.
He is currently ranked 3rd on the ATP list, was a finalist at the 2007 US Open and a semi-finalist at Roland Garros and Wimbledon in 2007, and has won eight titles.