The Italian announced the news early on Tuesday.
"If I say I went there just for fun or to play and forget the money, I'm gonna lie," Carlos Alcaraz said of playing Six Kings Slam.
Arthur Fils asserts his friend and sometime doubles partner Giovanni Mpetshi Perricard will be among the elite.
The Race to Turin will heat up in Paris, as four spots are currently unclaimed for this year's ATP Finals.
Thanks to his win on Friday, the Frenchman added $615,000 to his net worth.
Arthur Rinderknech receives the Paris wild card after Monfils pulled out of Vienna due to illness.
Former Wimbledon finalist Nick Kyrgios is an "overrated clown" according to two Russian standouts.