Tennis-Zheng shocked at Australian Open as Siegemund savours win over Olympic champion
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.