Czech tennis player Markéta Vondroušová, the 2023 Wimbledon champion, has been handed a four-year ban from the sport. The suspension stems from her refusal to submit to a doping control test in early December 2025. Details regarding the specific circumstances surrounding the refusal have not been widely released. This decision was made by tennis authorities following an investigation into the incident. Vondroušová now faces a significant period away from professional competition, potentially impacting her career trajectory. She has the right to appeal the ruling. The ban underscores the strict anti-doping policies within professional tennis.