Hooking up on the internet after a divorce might seem like an insurmountable challenge.
Before getting into anything specific, we have to take care of the basics. Use a flattering picture. Not a selfie, if at all possible. If you have any doubts about this whatsoever, get a female friend to help you.
Make it a couple of simple, unpretentious, and funny paragraphs. In other words, treat them like human beings. Make your messages brief, respectful, and reference common interests. Just be warm and chatty. All of that applies to all online dating. And this is a huge mistake. You have to put in some effort.
Unless you look like Daniel Craig, charm will be required. Even if you use a jokey opening linemake it a good one.
Well, you should probably suggest having a glass of wine somewhere, or doing some other date-like thing. Accordingly, propose a normal social get-together, and then assume that hooking up is a possibility.
Dress nicely, and be on time.
Fix her a cocktail, if at all possible. If you end up sleeping with someone repeatedly, make sure that a casual relationship is actually what they want.
Be easy and fun to hook up with, and you could enjoy a lot of casual sex with a lot of different people. So you might find more information useful.