With back-to-back losses to top-ranked contenders Miesha Tate and Amanda Nunes, former UFC women’s bantamweight title challenger Sara McMann has had a rough year.

Unfortunately for the Olympic silver medalist wrestler, that got a little bit worse at the recent Kakuto Submission Challenge, where McMann was suprrisingly submitted by 16-year-old grappling phenom Alexandria Enriquez.

Watch the video above where McMann looks to maintain top position to go for a guillotine before Enriquez turns the tables by locking on a shocking kneebar to earn the tap from the 35-year-old McMann.

READ MORE:  Aljamain Sterling believes Sean O’Malley is 'getting the McGregor treatment on the way to a title shot'