The return of top-ranked Jannik Sinner from a three-month doping ban at the Italian Open tennis tournament just up the road from the Vatican is stirring up so much attention that local headlines are declaring “Habemus Sinner” — a variant of the Latin words “Habemus Papam!

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

World number one Jannik Sinner said on Monday that he was heading into the Italian Open with low expectations as he makes his comeback after serving a three-month doping ban.Sinner agreed a settlement