Cape Town - Tennis legend Billie Jean King has expressed her disappointment at the CAS ruling that will force South African Olympic champion Caster Semenya to lower her natural levels of testosterone.
The ruling on Wednesday means that Semenya will have to take medication to lower her testosterone levels if she wants to continue competing in the 800m, an event in which she has won two Olympic golds medals.
There was overwhelming for support for Semenya from South African on Wednesday, but it didn't stop there.
The 75-year-old King, who has been a vocal supporter of Semenya's over the years, added her voice to the conversation.
"I am disappointed by today’s decision by the Court of Arbitration for Sports, which will prevent Caster Semenya from competing as her authentic self. ??, I stand with you," she wrote.
Semenya and her legal team have 30 days to appeal the decision and they are understood to be considering their options currently.
Under the current regulations, Semenya would still be allowed to compete in the 1 500m.