The ATP calendar intensifies for players in 2025, with expansions to Masters 1000 events and the addition of new ATP 500 tournaments. Top players, including Carlos Alcaraz and Ugo Humbert, express concerns about the lengthy season and the relentless pressure to perform. As they navigate between tournaments worldwide, many report increased fatigue, injuries, and the need for better management of their schedules. Former world number one Justine Henin emphasizes the importance of individual choice in planning their seasons.