Originally Posted by Postpre
Sloane Stephens started playing when she was 9, and will soon be a top 10 player. An abundance of evidence (Russian sports system) suggests that kids should not specialize at a young age. There's only so much improvement a young kid can make when they are 6 to 12 years of age. Who cares if they are practicing 10 to 15 hours a week at this age. Save th harder training until the 13 to 15 range.
She also said that she didn't love it, and really only played it because she was good at it.
Then, she loved it (after traveling, etc.).