I know some high school girls do not play advantage while professional females do.
Professional males generally play best out of 5 sets while high school boys usually play best out of 3.
Other than that, rules should generally be the same in professional tennis except for you can't hit the ball boy or something like that. =]
The differences are that a tennis ball is green and furry, and a cricket ball is red and tough.
Men's tennis organisation: ATP Women's tennis organisation: WTA
no
the average professional women tennis player plays about 23 games in a year.
Evonne Cawley was 20 when she became a professional tennis player.
Dinara Safina is a professional tennis player.
The most prestigious professional Grass Court Tennis Tournament is Wimbledon.
Tennis rackets used on tour, by the professional players
not all sports, you can in Hockey, Baseball, Golf, and Tennis at least. The first two are minor leauge, but still professional.
I am not an expert but still i'm sharing my answers with you. The answer is
Most high schools follow the USTA rules and regulations, in order to prepare them for potential college tennis, and then, possibly, a career in professional tennis. Of course, every school, school district, State, country, etc, may have their own rules which are more applicable for the given area. Refer to the USTA link, below, for further information.
The required properties of a tennis ball for use at the professional level are too complex to list on this website. Click on the International Tennis Federation - - the guiding body for all professional tennis - - link, below, for information.