Atp Challenger Calendar 2025. The calendar for the 2025 atp tour season has been announced, with 63 tournaments set to take place across 29 countries. Together, the events will be.
The atp challenger tour 2025 season kicks off 1 january and the globetrotting circuit is set to hit five continents across the first three weeks of the season: You can see the full 2025 atp calendar below, along with the tournamentโs status, dates, draw size, surface and total financial commitment.