By Shrivathsa Sridhar MELBOURNE (Reuters) -Last year's runner-up Zheng Qinwen was sent crashing out of the Australian Open second round on Wednesday as her bid to emulate Chinese compatriot Li Na's 2014 triumph evaporated after a shock 7-6(3) 6-3 defeat by unseeded German Laura Siegemund.

Zheng Qinwen is out of the Australian Open after a shock defeat to Germany’s Laura Siegemund. Zheng, the No. 5 seed and last year’s beaten finalist, lost 7-6(3), 6-3 after her serve unraveled in the fourth game of the second set.

In the Australian Open Round of 64 on Tuesday, we have a matchup of No. 5-ranked Qinwen Zheng versus No. 97 Laura Siegemund.In her most recent time out, Siegemund was defeated by Yuliia