At the Wutong Court of Jiangcheng University, Jiang Yichen held the paint-worn racket and used a "cut serve" that no one could understand, breaking the prejudice that "you can't beat professional training by becoming a monk". From the disastrous defeat of the school team during the bottleneck period to the desperate comeback in the provincial finals; from the first defeat in the national tour to defeating the top domestic players in the finals - he used the physical fitness of three years of five-kilometer morning running and the spinning skills that he repeatedly polished late at night to refine his "hobby" into a "profession". While the whole world is studying how to crack his "different-grip serve," Jiang Yichen has already embarked on a new journey: what he wants is not the national championship, but to make himself a "legend" that everyone in the tennis world desires to defeat.