Organizers of the grand slam event said Thursday that they had introduced an `` extreme heat policy '' after temperatures rose above 40 degrees Celsius ( 104 degrees Fahrenheit ) . Tennis officials issue an ` ` extreme heat policy '' after temperatures top 30 Celsius . The policy suspends current matches at the end of the set being played . It also stops new matches on outdoor courts until temperatures decline . The heat has already affected some players in matches this week .
Tennis officials issue an ` ` extreme heat policy '' after temperatures top 30 Celsius . The policy suspends current matches at the end of the set being played . It also stops new matches on outdoor courts until temperatures decline . The heat has already affected some players in matches this week .