READ MORE: <\/strong>Mercedes' 'potent weapon' Red Bull advisor fears most<\/strong><\/a><\/p>\n Soon after that rather bizarre message was released, WTA chairman Steve Simon issued his own statement questioning it.<\/p>\n "The WTA and the rest of the world need independent and verifiable proof that she is safe. I have repeatedly tried to reach her via numerous forms of communication, to no avail," Simon said in a statement.<\/p>\n "I have a hard time believing that Peng Shuai actually wrote the email we received."<\/p>\n Now, Simon has issued an ultimatum to China in a desperate bid to ensure the safety of the two-time Grand Slam doubles champion.<\/p>\n He says the WTA will pull all tournaments from the country – of which there are 10 events scheduled next year – if Peng is not found.<\/p>\n READ MORE:\u00a0<\/strong>Tim Tszyu calls on dad to get organising if he wants title defence in Russia<\/strong><\/a><\/p>\n READ MORE: <\/strong>Former english cricketer denies he gave dog racist name<\/strong><\/a><\/p>\n "If at the end of the day we don't see the appropriate results from this, we would be prepared to take that step and not operate our business in China, if that's what it came to," Simon said.<\/p>\n Multiple tennis superstars have publicly aired their concerns over Peng's disappearance<\/a>.<\/p>\n For a daily dose of the best of the breaking news and exclusive content from Wide World of Sports, subscribe to our newsletter by<\/strong><\/em> clicking here!<\/strong><\/em><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<\/p>\n