Last year's beaten finalist Zheng Qinwen was knocked out of the Australian Open in the second round by Germany's Laura Siegemund on Wednesday
The normally ice cool Olympic champion "Queen Wen" got hot under the collar as she was sent packing 7-6 (7/3), 6-3 by the world number 97.
Veteran Siegemund, who will turn 37 in March, is the second oldest player in the women's draw in Melbourne.
"I knew I just had to play more than my best tennis. I had nothing to lose so I just told myself to swing free," said the German.
"She's an amazing player, one of the best players right now. But I know I can play well and I wanted to show that to myself and make it a tough fight."
Zheng was put under pressure early as Siegemund went toe-to-toe from the baseline with the Chinese player,
"In the first set I feel I didn't perform good enough. At the same time, I felt she's playing really good today,
Siegemund had last registered a win over a top-10 player nearly three years ago but was not overawed by Zheng's renowned serve