Not true. U have to toss the ball a bit behind ur head plus let the ball drop a bit more than on a flat serve as well as finishing on the right side of ur body. Also ur narration is talking about serve power coming from arm action which is also not true. Power comes from ur body coil, legs working with the arm action. Where did u learn tennis mechanics? I'm a PTR master Professional.
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Not true. U have to toss the ball a bit behind ur head plus let the ball drop a bit more than on a flat serve as well as finishing on the right side of ur body. Also ur narration is talking about serve power coming from arm action which is also not true. Power comes from ur body coil, legs working with the arm action. Where did u learn tennis mechanics? I'm a PTR master Professional.