The high temperatures resulted in a number of incidents at Melbourne Park on Tuesday:
Former women's world number one Caroline Wozniacki's plastic water bottle melted on court
Defending women's champion Victoria Azarenka described the heat like "dancing in a frying pan"
2008 finalist Jo-Wilfried Tsonga's shoes softened in the high temperatures
Ballboys and ballgirls have their shifts reduced from 1hr to 45mins to stop them overheating
Serbia's Jelena Jankovic, who won the Wimbledon mixed doubles title in 2007, burnt her backside on an uncovered seat
Dancevic passed out during the second set of his first-round defeat to France's Benoit Paire on the uncovered court six.