(FILES) Italy's Jannik Sinner returns a shot to Netherlands' Tallon Griekspoor during their final singles match between Italy and Netherlands at the Davis Cup Finals at the Palacio de Deportes Jose Maria Martin Carpena arena in Malaga, southern Spain, on November 24, 2024. World number one Jannik Sinner will have his hearing into allegations of doping at the Court of Arbitration for Sport on April 16-17, the Lausanne-based body said on January 10, 2025. (Photo by Thomas COEX / AFP) (Photo by THOMAS COEX/AFP via Getty Images)