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Story summary
- The ATP Tour will implement a heat rule in the 2026 season, introducing a 10-minute cooling break when the Wet Bulb Globe Temperature (WBGT) reaches 30.1°C during the first two sets of best-of-three singles matches.
- If WBGT exceeds 32.2°C, play will be suspended.
- During breaks, players may hydrate, change clothing, and receive coaching, supervised by medical staff.
- The regulation aligns with WTA policies and aims to improve safety.
