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, who lost to Aryna Sabalenka in the title decider at Melbourne Park 12 months ago, said she had been bothered by some fitness issues after her run to the
