On 8 August 2016, the International Olympic Committee conducted a doping control test during the Rio 2016 Olympic Games on the swimmer Xinyi Chen (CHN). The athlete was tested positive to the substance Hydrochlorothiazide (Class S5 of the WADA Prohibited List 2016, Diuretics and Masking Agents).

The FINA Doping Panel decided according to the FINA DC Rule DC 10.2.2 to impose on the athlete a period of two years’ ineligibility, starting on 11 August 2016 and ending on 10 August 2018 for her first anti-doping rule violation.

Furthermore, the FINA Doping Panel acknowledged the Court of Arbitration for Sport (CAS) Panel decision regarding the disqualification of the athlete’s results at the Rio 2016 Olympic Games.