Australian Open hots up – Li Na faced a battle to stay cool and to stay in the Australian Open against Lucie Safarova.
Medical treatment – Li's compatriot Zheng Jie needed medical treatment for heat stress during her 6-2 6-4 defeat by Casey Dellacqua. "I felt so hot, my mind wasn't working," said Zheng. "I was looking at the ball, but I couldn't focus on it. Then I couldn't concentrate. This weather is very difficult for me.