The 2026 ATP Tour season is shaped by the continued rollout of the “OneVision” strategic plan that began a few years ago. This year focuses on expanding the scale of top-tier events, improving player welfare and streamlining the global calendar to provide better flow between continents among other things.
Main Changes from Previous Years
Expanded Masters 1000 Formats: Seven of the nine ATP Masters 1000 tournaments (Indian Wells, Miami, Madrid, Rome, Montreal, Cincinnati and Shanghai) will now feature the 12-day format. This provides a more “Grand Slam-like” atmosphere with larger draws and more rest days for players.
New Extreme Heat Rule: For the first time, a standardised heat policy will be enforced across all ATP events. If the heat index (WBGT) hits 30.1°C, players can request a 10-minute cooling break. If it exceeds 32.2°C, outdoor play will be suspended.
Calendar Shifts: Estoril (image on top) returns to the calendar as a 250-level event in July.
Marseille moves from its traditional February slot to October and will be played in Lyon instead.
Stockholm ATP event shifts from October to November.
Metz has been removed from the 2026 schedule.
Increased Recovery Time: There is now a three-week break between Wimbledon and the Canadian Open, giving players a longer transition period from grass to North American hard courts.