Federer is employing a new tactic in his return game — darting forward to the edge of the service line and taking the ball quickly with a half-volley — and his success has many observers buzzing.
DAVID WALDSTEIN, New York Times
Tue, 09/01/2015 - 6:30pm
Federer is employing a new tactic in his return game — darting forward to the edge of the service line and taking the ball quickly with a half-volley — and his success has many observers buzzing.