The ATP will introduce a new extreme heat policy from the 2026 season, allowing players to take a 10-minute cooling break during men’s best-of-three singles matches when conditions become severe.
Rule Aimed at Player Safety
The decision has been taken to strengthen protections for players competing in extreme weather. The new regulation mirrors a long-standing rule in women’s tennis, where similar heat breaks have been in place for more than three decades.
Wet Bulb Globe Temperature to Decide Breaks
The policy will be governed by the Wet Bulb Globe Temperature (WBGT), a measure that assesses heat stress by factoring in temperature, humidity, wind speed, sun angle and cloud cover.
If the WBGT reaches 30.1°C or higher during the first two sets of a match, either player will be permitted to request a 10-minute cooling break. During this time, players can hydrate, change clothing, shower and receive medical supervision, including coaching.
Play will be suspended entirely if WBGT readings exceed 32.2°C.
Recent Heat Concerns Prompt Action
The move follows growing concerns over extreme heat at top-level tournaments. During the Shanghai Masters in October, temperatures rose to 34°C with high humidity, leading to several players requiring medical attention.
Incidents at both men’s and women’s events over recent seasons have intensified calls for better safeguards, with players openly criticising playing conditions at tour-level events and Grand Slams.
Wider Impact Beyond Players
The ATP said the new rule is designed not only to protect players, but also to improve conditions for officials, ball persons, spectators and tournament staff working in extreme heat.
WTA Rule Already in Place
The women’s tour introduced its heat policy in 1992, and it has since been applied throughout the season across all tournaments.
The ATP’s adoption of a similar framework marks a significant shift in addressing heat-related risks in men’s professional tennis.
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