You need to find a very good coach, and work at your game on a daily basis.
The reason you need a coach is that tennis technique is not intuitive. You won't be able to figure out the best way to hit the strokes without a coach. And in tennis, technique is everything.
You have to! You have to!
about a year
== ==
enough to scr3w your mom :]
26 years
There are no educational requirements to become an equestrian.
About two years
The educational requirements needed to become a website developer may vary, but most employers look for a college degree of at least a bachelor's in web development or web design.
There are no educational requirements to teach karate.
4 years in college and 8000 hours of apperanticeship
No. There are no formal tests or educational requirements needed to become a model.
Although beneficial, there are no educational requirements to become a professional dancer.