Great Britain’s Harriet Dart, 25, admitted she once hit a low point as she felt she was working hard but the results weren’t happening for her. Dart, ranked at No. 122 in the world, made the Indian Wells Masters round-of-16 as a qualifier after stunning Ana Konjuh, Elina Svitolina and Kaia Kanepi. “I was really at a low point. It was a real struggle for me to get out of a rut where I felt like there was nowhere to go. I put so much work in and then the results weren’t happening. Also, my emotional maturity on the court was not still very good.So I needed to grow in that aspect. I’ve really worked hard on that and just taking every opportunity as it comes and enjoying being there,” Dart …