body hitting

these days as much as possible you want to bring your backside through on the hit–use all your pounds to hit

land balanced

after you make contact with the serve you need to land balanced to help you quickly prepare for the next shot

chest pull back

we show many motion starts on the serve Tiafoe uses a pull across his chest start

more up and out

the serve hit is an up and out hit– the toss must be in front to do this