Former tennis world No. 1 Simona Halep has been provisionally suspended after failing a drug test during the U.S. Open last month, the International Tennis Integrity Agency announced Friday.
Halep, a two-time Grand Slam champion and the current No. 9 player in the WTA rankings, tested positive for the banned substance Roxadustat, according to the ITIA. Roxadustat is a drug approved for medical use in the European Union to treat the symptoms of anemia caused by chronic kidney failure, according to the Associated Press.
Halep took to Twitter shortly after the announcement, saying that the positive test result “came as the biggest shock of my life.