The head of the WTA Tour has dismissed a statement from missing Chinese tennis player Peng Shuai claiming that she is safe and well. Chief Executive Steve Simon was responding to quotes attributed to her, which emerged via the country's official media. The former Wimbledon doubles champion purports to rubbish concerns about her welfare, saying: 'I'm not missing nor am I unsafe. I've just been resting at home and everything is fine.' The tour has been trying to reach her since she posted on social media earlier this month, making an allegation of sexual assault against a senior member of…