Behind-the-Scenes at Indian Wells: Berrettini, Medvedev and other ATP stars stop by the Tennis Channel tent 

Berrettini stretched before pulling off Boss moves for the cameras.

Daniil Medvedev was all smiles ahead of his Indian Wells campaign.

Lorenzo Sonego served up a quick "Volleying 101" class.

As always, Nick Kyrgios brought his bag of trick shots.

Karen Khachanov also had some tricks up his sleeve.