How to Hit the Forehand, Serve, and Slice Straight Arm or not?

Comment

Comment by Tim Prapong on January 2, 2012 at 7:36pm

Who is this? Grigor Dmitrov? I think you said Sergio at 0:42 but then I can't hear the last name...

I really like his serve, because it is like he hybrided Fed with Sampras' serve.