 When Cohen was a child, she first excelled at swimming, but she picked up a tennis racquet at the age of nine, and became a self-described “club rat,” who would hit as much as possible – first at her local club in California, and then in Florida, where she relocated with her family when she was 12.She learned tennis at Bill Clark's Tennis Academy.She attended St. Thomas Aquinas High School in Fort Lauderdale, Florida.