How tennis doping rules on whereabouts and contamination will change under 2027 WADA rules‎

Tennis players who argue that they have tested positive for a banned substance due to contamination could have more recourse — and could receive reduced suspensions — under anti-doping codes taking effect in January 2027, which will also affect whereabouts rules that govern how and when players are tested. The World Anti-Doping Agency (WADA) has expanded the circumstances in which athletes can qualify for reduced sanctions, replacing its definition of a “contaminated product” with the broader te