Zheng Qinwen caught crying in her US campaign

Zheng Qinwen was actually caught on camera crying on the sidelines during practice the day before her third-round match in the US Open. She explained that it was just a minor episode. Zheng Qinwen has always had high standards for the quality of her training, and because there were quite a few mistakes from her practice partner that day, she momentarily lost control of her emotions.