I haven't done anything wrong': Sinner hits back in anti-doping case
Briefly

In my mind I know that I haven't done anything wrong. I always respect these rules, and I always will respect these rules of anti-doping.
Sinner stressed that he received no favouritism, stating, "Every player who gets tested positive has to go through the same process, there is no shortcut, there is no different treatment."
Read at www.theguardian.com
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