06:06Newsday18/11/2021 06:06 GMT : Doubt over email from Chinese tennis starBBC World Service Duration: 50 minutes Thu 18th Nov 2021, 06:06 on BBC World Service OnlineAvailable for over a yearListen nowDoubt cast over email 'sent' by Chinese tennis star Show more GenresNewsFormatsMagazines & ReviewsBrandNewsday Source: BBC Online