Tag: US Open Heat Break Rule

US Open Heat Break Rule
Climate change, Study Office

US Open Heat Break Rule

By Score More The US Open heat break rule was introduced in 2018 in response to the increasing number of players who were suffering from heat exhaustion and other heat-related illnesses. The rule allows players to take a 10-minute break between the second and third sets of a match if the Wet Bulb Globe Temperature (WBGT) exceeds 95 degrees Fahrenheit (35 degrees Celsius). The WBGT is a measure of the heat stress on the body and takes into account the temperature, humidity, and wind speed. It is a more accurate measure of heat stress than the air temperature alone. To take a heat break, a player must indicate to the umpire before the start of the second set that they wish to take the break. The player may use the time to rest, hydrate, and cool down. The umpire may also allow the playe...