Del Potro just beat Nadal in Shanghai Open last year.
After big 4, I think some youngeters are rising. Warinka, Del Potro can make trouble to any of those big 4. Warinka Beat Murray last year.
Del Potro just beat Nadal in Shanghai Open last year.
After big 4, I think some youngeters are rising. Warinka, Del Potro can make trouble to any of those big 4. Warinka Beat Murray last year.