Carlos Alcaraz's Bid for World No.1 Hit by Paris Masters Shock Loss to Roman Safiullin, Djokovic Advances to Next Round

World No.2 Alcaraz's upset by 45th-ranked Safiullin raises questions about his physical fitness and jeopardizes his chances to outrank Djokovic by year-end. In contrast, Djokovic's successful return from a six-week break boosts his bid for a record eighth title.