Sentence examples for heat rules from inspiring English sources

Tournament officials have not invoked emergency heat rules which allow them to halt play and close the roofs on the centre and second court, although they have allowed a 10-minute break between the second and third sets for women's singles and junior singles matches.

The Russian was also unhappy about not knowing when the heat rule would be invoked.

The heat rule has never been used at the championships before.

The heat rule does not allow men to take breaks even if they ask to do so.

Record temperatures are expected to result in Wimbledon's heat rule being utilised for the first time this week.

The heat rule was not applied until after the start of the deciding set, during which an over-heating and distressed Sharapova had to seek medical treatment.

It continued for another 45 minutes after the heat rule had been implemented and eventually finished after three hours 28 minutes.

Andrew Jarrett, the Wimbledon referee, said in a statement: "The heat rule allows a 10-minute break between the second and third set when the heat stress index is at or above 30.1 celsius.

The decision on whether to implement the heat rule is made on the basis of the "wet bulb globe temperature", which takes into account temperature and other comfort factors, such as humidity and wind.

Wimbledon is experiencing what could be the hottest day in the tournament's history, which could trigger its controversial new heat rule allowing only women players to take longer breaks.

A fast third heat ruled out any chance of him qualifying as a fastest loser, eliminating the sprinter who had insisted he was in Sweden to win a medal despite a back injury overshadowing his preparation.