Jannik Sinner says he was lost and confused after receiving a three-month doping ban from the World Anti-Doping Agency in February.

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 serving a mandatory three-month suspension for a doping violation. The timing couldn’t be better for the world No. 1, as he makes his comeback in front of a home crowd in Rome. Ahead of his opening match, the Italian star made headlines with unexpected praise for a potential opponent.