Red ball is a great way for players born in 01 or later to start out in tennis
Orange ball is a great way for players born in 00 or 01 to continue their progress from red ball
Green ball is a great way for players born in 99 to continue their progress from red and orange ball
Yellow ball tennis is for players born 98 or earlier and is the next step after mini tennis
Age: 17Jocelyn talks about what it takes to make the step up to pro, read about it
The British Junior No 1 tells us what a typical day of training is like at the National Tennis Centre.
Read what he has to say here
