When did Sloane Stephens start playing tennis?
When did Sloane Stephens start playing tennis? Sloane Stephens’ Biography Sloane began playing tennis at the early age of 9 and began playing in events at the age of 13. Since turning professional in 2010, Sloane has won 6 WTA singles titles. The highlight of her career (so far) was winning the 2017 US Open, her first Grand Slam title. Her coach is Kamau Murray.