There 's one thing I hate about this sport and it 's that the judges can control people 's lives and can take points away and they can do whatever they want , " said the 25-year-old from Doncaster , who sparked an official inquiry by the World Taekwondo Federation ( WTF ) into judging practice after being deemed to have lost a quarter-final bout in which she was unfairly denied two points for a kick to the head of China 's Zhong Chen .