Answer:Ball touching any part of line is good.
If any part of a ball touches a line, the ball is good. A ball 99% out is still 100% good. A player shall not call a ball out unless the player clearly sees space between where the ball hits and a line.
Explanation:These step by step serve lessons can also be used if you're a total beginner and want to learn correct serving technique from scratch.
Step 1: The Stance. ...
Step 2: The Grip. ...
Step 3: The Hitting Part ā Loose Drop, Swing Up And Pronation. ...
Step 4: Backswing & Toss. ...
Step 5: Serve In Two Parts. ...
Step 6: The Power Move.Tennis scores were shown in the middle ages on two clock faces which went from 0 to 60. On each score the pointer moved round a quarter from 0 to 15, 30, 45 and a win on 60. Somehow the forty five got truncated to forty when the clock faces dropped out of use.