How about filing a grievance against the dad of the opponent who appears to be well out of line. I would assume Atlanta would have a hard line stance against this behavior. Southern Section has a very strict policy as well on parental behavior, although it is sometimes hard to tell with the way a small number of parents act.
Dunlop Bio 300 335g 8pts HL 48/53 lbs.
A cruel joke by USTA putting my 4.0 butt at 5.0 for future butt kickings