Roger's racket launching rockets
China Daily | Updated: 2017-06-27 07:59
Shorter swing on backhand transforming Federer's game
What started as a bit of fun may just have led to a masterstroke.
It was the summer of 2015 when, on the suggestion of his coach, Severin Luthi, Roger Federer unleashed the SABR: "Sneak Attack By Roger".
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