Sinner regrets 'unfair' doping ban as he prepares return to courts

In February, Italian star Sinner agreed with the World Anti-Doping Agency (WADA) to accept the ban after twice testing positive for traces of clostebol in March last year. WADA accepted that Sinner did not gain any competitive advantage from the banned substance, and that he bore no fault for an accidental contamination. His ban ends on May 4, in time for him to make his comeback on home clay at the Rome Open which starts three days later and less than three weeks before Roland Garros. Speaking...