Obi-Wan reacts all the same. He plants his foot, swinging his blade in a tight arc, hoping to knock her blade aside. Whether she parries or dodges, his next move is the same - closing the gap. If she wasn't going to be aggressive, he would.

He flips his hilt in his hand, adopting a reverse grip for one more long sweeping strike before pressing in close returning to an orthodox grip. He brought his blade back across with another powerful slash.