Research on the Impact of Commercial Activities on Athletes’ Competitive Performance —— Data Analysis of Qinwen Zheng’s Commercial and Competitive Activities in 2024 and 2025

Abstract

This research is based on the data analysis of a famous Chinese tennis athlete, Qinwen Zheng’s real-world commercial activities, endorsement income, career winnings,  competitive performance(match statistics) and injury records throughout 2 tennis seasons in 2024 and 2025 with the help of verified open sources. Through her data, results proved that the density of commercial activities will to a large extent bring negative impacts on her competitive activities and her competitive performance in a further way. This research suggests that professional tennis athletes, including top Chinese tennis athletes, carefully manage commercial and competitive activities in order to make sure a balance between competitions during seasons as well as training and recovery during off-seasons.