a trick to help keep your tossing arm up– after fingers to the sky–turn the hand in or flatten the hand
attack the serve by getting inside the court
breathe in and exhale by puffing your cheeks out
slight lead with the the bottom edge of the racquet
racquet dipped almost to the ground
keep the tossing arm up a beat and sight the toss through that hand
expand the court with a short angle
on the knee bend you should have a straight line of arc
on the serve have a preparation ritual–some like a across over dribble
try to save a shot over your head
drop to picture the toss spot 8 to 12 inches in front
one of the ways to increase racquet head speed on the serve is to place the racquet’ face to the sky
one of the ways to make plays is to use hand signals
I formation slightly off center
deep to deep may be down the line