BBC Sport · Jul 25, 2018
Serena Williams says she is being 'discriminated' against over doping tests
Serena Williams returned to tennis in February after a year out, during which she gave birth to her first childSerena Williams says she is a victim of "discrimination" as she is the most drug tested American tennis player.
The 23-time Grand Slam singles champion made the claim in a tweet on Tuesday, after doping officials visited her.
The American had previously expressed frustration about the volume of her tests earlier this month.
"Out of all the players it's been proven I'm the one getting tested the most. Discrimination? I think so," said the 36-year-old.