Polish tennis player Iga Swiatek looks on against Kamilla Rakhimova of Russia during their women’s singles match at the U.S. Open on Aug. 27, 2024 in New York.

Five-time Grand Slam champion Iga Swiatek accepted a one-month suspension after testing positive for the banned substance trimetazidine, a heart medication known as TMZ, the International Tennis Integrity Agency announced Thursday.