Wenger feels the former Bradford and Sheffield Wednesday boss is "a very assured, intelligent man", but does not expect his new side to come out all guns blazing at Emirates Stadium on Tuesday night.
"They will aim to protect their advantage and try to get us on the break with a direct game, as they tried in the first match," he said.
"If you look at my record I think I have been consistent in my career against teams of lower divisions because I respect them and I know that they can raise their level and raise their game.
"If you are not prepared you have bad surprises.
"Where we are stronger is defensively as a team, but of course hopefully we can open them up tomorrow."