The frenzied scene which greeted Jannik Sinner when he arrived at the ATP Finals is an indication of how eventful his season has been.
The Italian world number one, mobbed by home fans and photographers in Turin earlier this week, has been the dominant player in the men's game this year - and the central figure in an ongoing doping controversy.
Sinner is back on home turf looking to cap a successful season with a first triumph at the season-ending Finals, where eight singles players and eight doubles teams do battle.
The Australian and US Open champion has been drawn in a group alongside Russia's Daniil Medvedev, American Taylor Fritz and Australian debutant Alex de Minaur.