Career
On July 27, 2015, she reached her best singles ranking of world number 158. On May 4, 2015, she peaked at world number 475 in the doubles rankings. Stewart made her Women's Tennis Association tour debut at the 2014 United States Open, having received a wildcard with Louisa Chirico in the doubles tournament.
Singles: 10 (7-3)
Doubles (3–3)
Girls" Doubles.