Research on the Motivation of Competition Situation Changes Based on the Performance Score and Momentum Scoring Model

Momentum in sports, particularly in tennis, refers to the perceived shift in performance and psychological advantage that can influence the outcome of a match. It encompasses both physical and psychological aspects and is often characterized by sequences of winning points, games, or sets. In tennis match, the flow of the match tends to change based on athlete’s individual ability, real-time status and other objective factors.In these factors, a growing number of matches have shown that the effect of momentum is particularly important. To explore the influence of momentum on the flow of the match,on the one hand,the paper establishes Player’s Performance Score Model and uses it to describe the flow of match.On the other hand, the paper establishes a Momentum Scoring Model to assess the impact of momentum on the outcome of the game.