I read quite a few times one of the old 1P guys use to play F players and the only balls that counted for the hustler were ones the other guy made in his hole.
I had a buddy who probably couldn't beat the 3-ball ghost....
...he was offered that game where the other guy's balls didn't count...
...the man played good 1-hole.
My buddy had gone broke at the racetrack so the player told him to get
me to back him...I agreed if I could coach...he said okay.
Somehow my buddy won the first game for $100....
...second game the guy got everything wedged around his pocket...
...I told my buddy to just keep rolling the cue-ball to the end rail....
...he owed about 35 balls before the guy called a draw on that game
and walked out.
So many of the big spots count on your opponent not just playing bad
but playing dumb.