Iga Swiatek is the second high-profile tennis player to test positive for a banned substance this year, joining Jannik Sinner. While Sinner, currently the No. 1 ranked man, was fully cleared, Swiatek,

The five-time Grand Slam champion has served 22 days of a one-month ban from tennis. Here's what you need to know

Meanwhile, Swiatek was found to have been “at the lowest end of the range for no significant fault or negligence” after the 23-year-old Polish player explained that her doping violation was caused by a contaminated supply of the non-prescription medication melatonin, which she uses to help with jet lag and sleep issues.

Swiatek said a batch of melatonin she used was contaminated with a banned substance, an explanation anti-doping authorities said they accepted after a probe.

The International Tennis Integrity Agency says five-time Grand Slam champion Iga Swiatek has accepted a one-month suspension after testing positive for the banned substance trimetazidine.

Iga Swiatek, the women’s world No. 2 tennis player, has received a one-month doping ban after testing positive for the banned substance trimetazidine (TMZ).

World No. 2 Iga Swiatek has accepted a one-month suspension after testing positive for banned substance trimetazidine (TMZ).

World number two Iga Swiatek has accepted a one-month suspension after testing positive for the prohibited substance trimetazidine (TMZ).

Iga Swiatek, the No. 2 ranked women's tennis player in the world, has accepted a one-month suspension for violating the Tennis Anti-Doping Program, the International Tennis Integrity Agency announced on Thursday.