I was thinking about that and it did strike me that the way to beat her, depending on how she is grappling and what your pain threshold is, would be to fight sloppy.
Imagine Tim throwing punches that miss by a mile and leaving himself wide open. Then we she aims a kick at his stomach wait till the last second to catch her leg then fall on it. At that point her leg would be wrenched and trapped under him and they're suddenly right next to each other