Wha has a bigger serve: Andy roddick or Ivo karlovic?

Question

Please specify a reason for y'r pick!!

Answer 1

Karlovic has a better serve. He serves much more first serves in and no, Andy Roddick does not hold the world record, Ivo Karlovic does (156 MPH), and is still serving great at the age of 32.

Answer 2

 Andy Roddick

Answer 3

Ivanisevic is the best

Answer 4

Andy Roddick of course. He is better than karlovic.

Answer 5

Andy & he is the better player to me too.

Answer 6

Andy Roddick has. He wins more than Karlovic so he is much better.