Overview

• ATP told Reuters the review includes the option to introduce an official heat policy.
• Under current regulations, any suspension for extreme weather is decided by an onsite ATP supervisor working with medical staff and local authorities.
• Conditions near 30°C with humidity above 80% in Shanghai coincided with multiple retirements, including Jannik Sinner, and illness episodes such as Novak Djokovic vomiting.
• An August collapse by Arthur Rinderknech in Cincinnati renewed pressure for clear thresholds on extreme heat.
• The WTA and Grand Slams already apply formal extreme-weather rules, and forecasts indicate Shanghai could reach about 34°C on the day of the final.