Zheng Qinwen, last year’s beaten Australian Open finalist, became the highest seed to fall so far in this year’s tournament after she was stunned by world No. 97 Laura Siegemund in the second round.

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.

Zheng Qinwen crashed out of the Australian Open on Wednesday, losing in straight sets to German Laura Siegemund in the biggest shock so far at the year’s first grand slam. Olympic champion Zheng looked out of sorts in the day’s opening match on John Cain Arena,