Which player is the most intimidating to play against?

[President of Serve/Volley]

If we include the retired players: Pete Sampras without a doubt.

 

[TennisNinja]

Skill wise, Federer would be super scary, but looking at Serena would hurt my eyes.

 

[vbranis]

Karlovic wouldn't intimidate me, I feel I can win more games against him than anyone else on that list. On my serve, of course.

Nadal would intimidate me. No big shots, but his consistency, speed, and monster topspin would just wear me out... Beating him is a huge mountain to climb, and even winning a game would be tough. I have a feeling I would get tired after the first few games.

 

[Leelord337]

Uhh... Where the heck is Verdasco on that list?!!

Insane forehand
Great backhand
Huge serve (when he chooses to really flatten it out)
About the size of an ox

he looks pretty darn intimidating here, lol

 

[Baikalic]

Safin looks pretty intimidating on the court.

 

[maddogz32]

i would be more intimidated by roddick because of his serve (i wouldnt want to be near that thing)