You flip a coin and the winner can either decide to serve or receive or they can choose the side to start on. The other player chooses one of the options the other player did not choose.
The right to serve is decided by the court and the person that scored the last point will serve. <3
It is decided on how they are good at sex
Almost all of your joints are used in tennis, but the main ones in a tennis serve are the knee joints, and elbow joints.
You can hit an underhand serve in tennis; however, the overhand serve is more effective because it is more powerful. That is why you don't see the underhand serve used much.
Badly.
a serve
A tennis ball!
a tennis ball
A tennis ball.
A TENNIS BALL.
a fault
a serve