DOA6 appears to have an unfinished ground game to this stage. If you don't tech up, you can be ground hit forever. Looks like Jann Lee only got up due to being pushed into part of the environment.
DOA6 - DOA Festival build played at CouchWarriors Crossup event - Public build approved by Koei Tecmo
https://www.couchwarriors.org/play-doa6-cwc/
Tournament stream was archived at
https://www.twitch.tv/videos/349310736?t=01h06m57s