Atp Challenger 2025 Calendar. This move will bring the atp closer to their proposed idea of a premium tour consisting of 10 masters 1000 events and 4 grand slams. Masters 1000 in canada/cincinnati to 12 days, upgrades to 500 level, venue shifts, estoril absence addressed.
Atp tour expands 2025 calendar: Check out the major changes to the atp tour 2025 calendar which includes some expanded masters 1000 events.