dsturdy5,
Depending on the level of support from the league, (If you get any) I would right a letter to the league.
Too bad his team wasn't ahead by one at the end of regulation. You could have "T'd" (because you hadn't left the visual confines of the court) his butt and sent an opposing player to the line to potentially win the game..........
Remember there is a reason he/she is a 6th grade coach.
"Stupid is as stupid does"