Make sure you toss the ball slightly in front of you. This will give you more power. The ball toss can be tricky but is one of the most important parts of your tennis serve because it can give you the control and speed you have been missing from your tennis serve. You will want to hit the ball at the peak of the ball toss. So make sure you toss it high enough, but not too high. When playing a game or performing a tennis serve at anytime if you don’t feel comfortable with the ball toss, catch it and do it again!
Practice tossing the ball while standing at the line. Make sure you do not throw it to far in front of you so that you foot fault.
Here are some more great tennis serve techniques in greater detail you must also master when perfecting your tennis serve!