The ATP Paris Masters, the season's final Masters 1000 event, will proceed without several notable competitors. Defending champion Jannik Sinner withdrew from the indoor hard court swing entirely and has dropped from World No. 1 ranking. Felix Auger-Aliassime, last year's finalist, also sits out due to injury, effectively ending his season and threatening his top-10 standing.

Joao Fonseca ended his campaign early following an injury sustained at Cincinnati. Alexander Bublik retired during his semifinal in Almaty and has withdrawn from subsequent tournaments. Jakub Mensik pulled out with an injury after his Vienna loss, eliminating his slim chance to reach the ATP Finals.

Alternates filled the vacated spots in the draw. Luca Van Assche replaces Fonseca and faces Mariano Navone, who takes Bublik's place. Matteo Berrettini enters via Auger-Aliassime's withdrawal and meets Brandon Nakashima in round one, while Quentin Haly slots in for Mensik.