Tonya Harding's Most Brutal Knockout Video Unearthed

EXCLUSIVE

Wanna see Tonya Harding knock a chick out cold with a devastating right cross? 

You’re in luck … because TMZ Sports found extremely rare footage from Tonya’s last professional boxing match — and she straight DESTROYED her opponent. 

It all went down in 2005 — when a 35-year-old Harding (3-3) stepped into the ring to face Brittney Drake in Brittney’s first pro boxing match, a fight promoted by Celebrity Boxing creator Damon Feldman. 

Makes ya wonder how good Tonya coulda been if she trained to be a fighter instead of a skater …