Sha'Carri Richardson, who was banned from the Tokyo Summer Olympics after testing positive for marijuana, said that all haters must be "cute at least."
"I have always been for clean conditions (in the sport)," Rylov said in response.
Medina Spirit, the Kentucky Derby winner, finished third after a pivotal week that saw the horse test positive for banned substances.
Several top athletes' medical data appeared on a hackers' website.
Nadal wants his drug test results and blood-profile records public.
The Russian president said that sport "is only interesting when it is honest."
The World Anti-Doping Agency report also found that the London 2012 Olympics were 'sabotaged' by dirty competitors.