The Estonian also qualified for the WTA Finals.
The Serb is taking a wait and see approach.
The American and Italian disagree on where the line is in terms of on-court theatrics and fan interaction.
The Frenchman wants to rest and recuperate ahead of 2022.
In what could be a Davis Cup finals prelude, Novak Djokovic will play singles and doubles at the Paris Masters.
One for the ages: King of clay vs. Titan of timelessness.
The former champion is hoping to grow his confidence as the season winds down.
