The 23-time Grand Slam champ had already portrayed her treatment by the U.S. Hostile to Doping Agency (USADA) as stunning and brought up issues about the circumstances she had been tried for the current year.
Williams communicated her dissatisfaction again on Tuesday after a visit from doping authorities.
“…and it’s that time to get “arbitrarily” sedate tried and just test Serena,” the 36-year-old composed on Twitter.
“Out of the considerable number of players it’s been demonstrated I’m the one getting tried the most. Segregation? I suspect as much. At any rate I’ll be keeping the game clean.”
A report distributed by site Deadspin in June uncovered Williams had just been tried on five events in 2018 while other American players had been tried once or not in the least.
Williams, who brought forth little girl Olympia 10 months prior, is working her way back on visit and her astounding rushed to the Wimbledon last guaranteed she came back to the world’s main 30 in the WTA rankings this month.