I see lots of posts on this sub that detail some long sordid struggle with getting this one particular girl.

"I've been doing every trick I know and she's flaked on me, isn't giving me IOIs, etc"

Do yourself a huge favor and move on. The truth of the matter, is that you can't get every girl you try for and there is not secret magic player voo-doo that you can do to make her suddenly interested.

Now if you're in a smaller population area, and you think the girl is still a possibility but she's making it rather difficult, keep her in mind, but still move on. Do a follow up a few weeks out.