The World Anti-Doping Agency (WADA) responded by taking the case to CAS. After escaping a ban, Sun was able to compete in the in the World Championships in Gwangju in July, where he won two golds but became a focus of protests from rivals. In a statement released on Tuesday, CAS said the hearing had been provisionally scheduled for September "but due to unexpected personal circumstances, one of the parties was obliged to request a postponement of the hearing." The statement said the hearing was unlikely to be "before the end of October," when it would probably be held in Switzerland.
The World Anti-Doping Agency (WADA) responded by taking the case to CAS. After escaping a ban, Sun was able to compete in the in the World Championships in Gwangju in July, where he won two golds but became a focus of protests from rivals. In a statement released on Tuesday, CAS said the hearing had been provisionally scheduled for September "but due to unexpected personal circumstances, one of the parties was obliged to request a postponement of the hearing." The statement said the hearing was unlikely to be "before the end of October," when it would probably be held in Switzerland.