I have had plenty of games where I convince players to knock out players for the greater good. Usually so we don't lose as many points. But really it would open up the door for me to have a come from behind victory.
Most of my comebacks have come in doubles games. Even though doubles only consist of 10% of my games they are my favorite to play. Only a handful come to mind but my favorite comebacks are ones where you say "good game" then end up winning somehow. If I say GG (in defeat) and then you lose, that means you either messed up to lose or you did not deserve to win against me.
My most recent epic game was against AndyDufresne
Game 6996431. Both of us were down and out a couple of times and Banana boy took it in the end. I guess it is a great comeback game for Andy

If you wrong me I will hunt you down and destroy you.