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Tennis is paying the price for being an Olympic sport and its new dope-testing regime treats players like criminals, world No 1 Rafael Nadal says.
The Spaniard is leading criticism against the procedure adopted by the Association of Tennis Professionals, who signed the World Anti-Doping Agency protocol last year.
From the start of this year, players ranked in the top 50 must nominate one hour daily when they will be available for testing, as per WADA regulations.
