UPDATE 1-Heat rule in play as Mercury soars at U.S. Open | Headlines
Extreme heat policy in place at Australian Open | 16 January, 2014 | All News | News and Features | News and Events | Tennis Australia
Australian Open introduces new heat stress scale, allowing 10-minute breaks in men's matches - ABC News
AO Heat Stress Scale a Grand Slam first | AO
Extreme heat, humidity could lead to roof closures at U.S. Open tennis – New York Daily News
It's dangerous out there': Players suffer despite heat policy as US Open swelters | US Open Tennis 2018 | The Guardian
Australian Open activates extreme heat policy as temps soar
Heat rule in effect again at U.S. Open | Reuters
At the Australian Open, It's Not the Heat, It's the Stupidity - The New York Times
US Open - Should Tennis Re-think Their Heat Rule? - Tennis World Live
Australian Open 2020 heat rule: Exact temperature and humidty regulations explained
Australian Open 2014: Extreme heat policy to protect tennis stars and fans | Herald Sun
Wimbledon uproar as heat rule allows ONLY women to take break in excessive heat - Mirror Online
Murray calls out Verdasco over heat rule disagreement
Official Site of the 2022 US Open Tennis Championships - A USTA Event
US Open health scares see WTA urged to change rules on heat breaks
US Open: Rule change tries keep players cool in 'nightmare' heat | CNN
Australian Open Heat Policy
Measuring Heat | Tennis and Weather
Andy Murray and Fernando Verdasco Feud Over Heat Rule | Time
Wimbledon women to get heat breaks | Wimbledon 2015 | The Guardian
Heat Rule - The Championships, Wimbledon - Official Site by IBM
Why the USTA's attempts to rewrite the tennis rulebook at the US Open have backfired
