The men's world No. 1 missed several tournaments, but no Grand Slams. Here's what to know about the doping proceedings against him.

Jannik Sinner returns to action at the Italian Open after the conclusion of the World No 1’s three-month doping ban. Sinner has not played since winning the Australian Open in January for his third grand slam title after the Italian reached a resolution agreement with the World Anti-Doping Agency (WADA).

Jannik Sinner’s reappearance at the Italian Open guarantees attention, following his three-month suspension for failing two “in-competition” drug tests, during and eight days after Indian Wells last year,