where does a player stand when serving? behind the no volley zone at least one foot behind the endline on…

where does a player stand when serving? behind the no volley zone at least one foot behind the endline on the sideline in front of the service square
Answer
Brief Explanations:
In many racket - sports and some ball - sports, when serving, a common rule is that a player must have at least one foot behind the end - line to ensure fairness and proper service execution.
Answer:
at least one foot behind the endline