This is likely the very rare situation where the female fighter could beat the male.
Harrison is taller than Elliot and much much more muscular, outweighing him by 30 lbs.
In 17 UFC fights, he has never KO'ed anybody, not even a TKO. I have lost count of how many times he has been submitted.
Because she wouldn't have to really respect his power on the feet, she could push forward to get hold of him. Then judo throw him to the mat, where her strength and weight advantages would make it difficult for him to get up, combined with his susceptibility to getting submitted. She has a path to victory.