I once threw a game by accidentally tabling my opponent. They only had Sensei Yu left, who I had Take Prisoner on. It was turn five, and I had Mancha Roja engaging him. I decided to be clever, in case it went to turn 6 (as if I couldn't just engage Yu again if he moved! I had maybe five models left!), so I used a stone to get Mancha to paralyse Yu in a little flourish. And then of course flipped moderate damage on a , killing Sensei Yu and denying me three points, leaving me one point behind my opponent. The game didn't continue and I think I had already maxed out on other points already anyway, so I lost.
Still, it's a fun story and it's always intruiging to people to hear about a game where one player got tabled and still won, even if it was my own silly fault.