This policy has the greatest potential to impact intersex cisgender women—especially because many of them don’t know they are intersex. There are no known trans women playing on the WTA Tour. But there are plenty of cis women who will now have to go through medical tests to prove their eligibility

Orion Rummler

As far as I can find, the Women's Tennis Association is the only major women’s sports league to require genetic sex testing. Who does this actually impact? Well, cis women who happen to be intersex. Read more here: