He beat Ivo on those occasions. He serve and volleyed at IW this year. Karlovic was so open to that tactic.
True, but Andy lost his serve three times to him I think, which he should not do against Ivo.
He will get his chances to get a break at times, just gotta take one and then hold nerve. Ivo has never made a TMS final either, and he's known for his nervousness at the crunch moments, see their San Jose final when he choked a teensy little bit as he had the break in the 2nd on a lightning speed indoor ice rink.