Latest news, Zheng Qinwen's mentality collapsed. Unexpectedly, she was swept out of the Australian Open by the 36-year-old veteran Siegemund in just two sets, creating the biggest upset of this year's Australian Open! After the match, Zheng Qinwen refused to shake hands with the referee and bluntly said: "The referee's decision greatly affected my concentration. This is the first time I have encountered such a situation, but these are not the reasons for my loss. Overall, it was very difficult for me today." It must be said that in this second-round women's singles match at the Australian Open, Zheng Qinwen's performance was really disappointing. As a strong player ranked fifth in the world, she should have been a strong contender for easy advancement, but she was unexpectedly defeated by Siegemund, ranked 97th in the world, with scores of 6-7 and 3-6, suffering elimination. If Zheng Qinwen had the opportunity to advance smoothly, then she would have had the chance to challenge for the Australian Open championship. However, the reality is cruel. Zheng Qinwen's mentality completely collapsed during the match, becoming the biggest highlight of the game. In the first set, although both sides once fought to a tiebreak, Zheng Qinwen obviously did not perform as well as her opponent in grasping key points, and eventually lost regrettably. Entering the second set, Zheng Qinwen's state took a sharp turn for the worse, and after being broken several times, her mentality was completely unbalanced. Especially after being penalized by the referee for serving overtime, her emotions reached a boiling point. Despite her…