资讯

Because a serve needs ... As the ball goes up, Federer’s right arm is bent and his wrist is loose. Many club players squeeze the handle of their racquets in a death grip. This creates tension ...
We’ll dissect four major elements of this superb stroke. 1. GRIP Many people think Roger Federer plays with a semi-Western grip, similar to Andy Roddick’s. In reality, his grip is closer to ...
Kosta, who is also a comedian and hosts the Tennis Anyone podcast, said: "Roger Federer would notice his opponent with a quarter of an inch open up grip on the run, and Roger would know ...