Serena Williams has criticized the tennis anti-doping system, calling it "unprofessional" and "unreasonable" ahead of her return to Wimbledon. Williams stated that she "hates" the current regulations and described the process as "grueling," according to reports from multiple news outlets. She cited the difficulty of adhering to whereabouts requirements while managing her life as a mother and businesswoman as a factor that nearly deterred her from returning to professional tennis, according to the Times of India.

Williams is scheduled to play her first match at Wimbledon since 2022, as reported by The Hindu. Her public comments come amid broader discussions regarding testing protocols within the sport. Marketa Vondrousova recently received a four-year ban for refusing a doping test, according to the Independent.

Other players have also expressed dissatisfaction with how tests are conducted. Coco Gauff stated that anti-doping testers can be "pushy" and make players feel as though they are doing something wrong. Gauff recounted an incident where a tester arrived outside her designated 60-minute testing window, which she described as upsetting. The International Tennis Integrity Agency (ITIA) stipulates that if a doping control officer locates and notifies a player outside their daily testing window, the player must still complete the test, according to the Independent.