There ISN'T anything called a "backhand serve" in tennis.
A big serve is when you the serve with a lot of power.
A tennis serve is out if it hits the green without hitting the main court, or if it hits the net
A tennis game starts with a serve.
There are four types of serves in tennis: The Flat Serve, The Slice Serve, The Kick Serve, and the American Twist.
Almost all of your joints are used in tennis, but the main ones in a tennis serve are the knee joints, and elbow joints.
When the first serve is a let.
andy roddick in mens tennis