Roddick slicing a forehand return of serve

[uspta146749877]

please see

http://www.tennisplayer.net/members/strokearchive/pro_men/andyroddick/andyroddick_forehand_return/ar_1st_serve_deuce/ar_1st_serve_deuce.html?ARFHRetSlice1stSDeuceRear.mov

Any comments?