One idea: since she's a combative type, she might be into this, and it could start you down the path to goodness. And you love role play.
Schedule a date night with a twist. She's dressed up in a bar or other venue, and you are too, but you arrive separately, not having seen one another beforehand. You approach her as a woman you're trying to pick up. You need to agree beforehand not to break character.
You'd get to practice pickup, and she'd get her ego validation, as would you. Also, if she's done up to the 9s, she might get IOIs - and so might you - you both probably would benefit from it. You can let the roll as far as you'd like. She'd like to challenge you, giving her the go-ahead to act naughty. It could be fun.
I often will do this with chicks I'm meeting for drinks I've known forever; I don't set it up; I do it randomly - they catch on fast and jump into the role. Women love shiit like this.