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,

Swiatek said she couldn't play over the fall owing to 'personal matters'. That didn't really explain what was going on

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.

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

While superstar players Iga Swiatek and Jannik Sinner were able to quickly and quietly explain away their positive test results, players further down the rankings are complaining about unfair treatmen

Former women’s world No. 1 Simona Halep has criticized the “big difference in treatment” she received from the International Tennis Integrity Agency (ITIA) compared to the body’s handling of Iga Świątek’s failed test.

Simona Halep has questioned the "big difference" in how doping cases are handled after world number two Iga Swiatek receives a one-month ban.

Simona Halep questioned the "big difference" in how doping cases are treated after world number two Iga Swiatek was handed a one-month drugs ban while the Romanian was out of action for over 18 months following two separate anti-doping violations.