Del Potro Serve

[raphael1245]

i remember bets his serve used to be wack now is cleary a weapon to watch out for.

[TheGodFather105]

My serve is like that

[dimebagplan]

I like how he throw the ball very high in the air before hitting it powerfully :)

[game190294]

i like his serve

[Crakapie98]

definetely a serve to copy