What controversy has emerged regarding Jannik Sinner in the tennis world?

World number one Jannik Sinner has been banned for three months after reaching a settlement with the World Anti-Doping Agency following two failed drug tests last year. While Novak Djokovic competes at the Qatar Open seeking his third singles title, much of the attention has shifted to Sinner's situation despite his absence from the tournament. The case has raised concerns within the tennis community about the fairness and consistency of anti-doping processes, particularly regarding top-ranked players.