Francesca Jones has lost count of the number of times she has been wheeled in for surgery and the number of times she has been told a professional tennis career is out of the question.
Born with three fingers and a thumb on each hand, three toes on her right foot and four toes on her left, the 20-year-old is now preparing for her first overseas Grand Slam qualifying draw.
It is reward for reaching a career-high ranking of 241, and perhaps for refusing to dwell on the downsides of her congenital condition.
In fact, it is something she considers an "advantage".