No, he can smash a tennis ball in a controlled fashion quicker than 99.9%, don't mean he can hit it harder full stop.
As for his claims of 300lb bench press for reps, not a chance , would be surprised if he could get 220 x 1.
nah, not the controled, forget that.
any newcomer will not get nowhere near the same speed as a pro,on no shot, give a tennis racket to big rami and see what happens.
nobody is hitting a 120mph service speed without many years of training.not hitting in the field, i mean getting the speed at all.it will not happen.
the move is way too complex, takes too much coordination.
now,agassis bench claims, hell no sure as hell he didnt any 1 rep with 300lbs in a "legal" fashion, full rom etc.the weight would simply dislocate his shoulders and break the arms,lol.
anyone who played tennis on serious level will know that a serve speed comes from year long learned explosive movement where the whole body work like clockwork.raw strenght means nothing.
its a cordination of many muscle areas playing together.