All players to have finished as ATP year-end no.1 in 21st century
Carlos Alcaraz finished 2025 as the ATP Number-1 ranked player after beating Lorenzo Musetti at the ATP Finals. Jannik Sinner and Andy Murray had finished a year as the ATP number 1-ranked players, respectively. While Roger Federer and Rafael Nadal achieved it in five instances, Novak Djokovic finished as the ATP Number-1 ranked player in eight instances.