Nobody in men 's tennis has the same easy power as the Canadian with the deceptive , slightly coltish gait , who has shown himself capable of breaking the symbolic 150mph when serving .
Who can also generate enormous power off the ground .
Nobody in men 's tennis has the same easy power as the Canadian with the deceptive , slightly coltish gait , who has shown himself capable of breaking the symbolic 150mph when serving , and who can also generate enormous power off the ground .