Former No. 1 still committed to playing Stockholm Open next week.
Indian Wells champion attained one milestone in Paris and is aiming for another.
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.