Study On The Score And Loss Of Tennis Player Wang Qiang In The Stalemate Stage Of Different Types Of Courts

With the rapid development of tennis and the continuous improvement of players’ skills and tactics,the competition between the two sides will become more and more intense in the stage of stalking on different types of courts.This requires us to pay attention to the stalemate stage on the basis of being familiar with the characteristics of different types of sites.This paper takes Wang Qiang,a Chinese tennis player,as the research object,in the stalemates of 9 matches in 2019 French Open(clay court),2019Wimbledon(grass court)and 2020 Australian Open(hard court).The research methods are literature,video observation,mathematical statistics and comparative analysis.This paper tries to explore Wang Qiang’s technique usage and scoring and losing characteristics in the stalemate stage of clay,grass and hard court from four aspects,including the use of various techniques,the scoring and losing rate of each stage,the scoring and losing situation of the forehand and backhand technique and the scoring and losing characteristics of other techniques,and makes multiple comparisons in single-factor analysis of variance.Analyze the influence of different types of venues on Wang Qiang’s score and loss indexes.The results show thatt:1.The use of fore-and-back technique is Wang Qiang’s main means of scoring and losing points in the stages of the stalemate on different types of venuesThe fore-and-back technique is Wang Qiang’s main means of scoring and losing points in the stages of the stalemates on different types of courts.Other techniques show the characteristics of less use,low scoring rate and higher scoring rate.Wang Qiang’s score and loss of other skills are different in the field.The score and loss of grass court are mainly interception technology,and the interception loss rate is higher than the other two types of field loss rate.The points gained and lost on the hard court are mainly volley and lob.On the clay court,cutting and volleying are the main techniques.2.Stalemate in each stage Wang Qiang score and loss rate due to the site difference is differenthe scoring rate of red clay and grass courts in each stage of Wang Qiang stalemate showed a "U" trend,and the scoring rate in the early and late stages of the stalemate was higher than that in the middle stage.The scoring rate of each stage of the stalemate on hard court showed a decreasing trend with the increase of the number of strokes.The difference of the field decided that the scoring rate of the grass court was the highest at the early stage of the stalemate.Stalemate medium hard court scoring rate is the highest;Stalemate at the end of the clay court scoring the highest percentage.In terms of the losing rate of stage,the losing rate of grass and clay court Wang Qiang showed a decreasing trend with the increase of the number of beats.Hardcourt stalemate at each stage to maintain a higher rate of points.3.At the stalemate stage,Wang Qiang mainly hit the ball with oblique lines,and the score of straight lines was different in the fieldThe combination degree of the stability of the hitting line and the threat determines whether Wang Qiang can take the advantage in the stalemate.The faster the ball speed is,the more threatening and stable Wang Qiang’s attack is.In terms of the line score and loss,the diagonal line was higher than the straight line in the stage-holding stage of different types of courts,and the score and loss were mainly concentrated on the diagonal line,which was closely related to the choice of the oblique line as the main hitting line.The difference of the field results in Wang Qiang’s scoring efficiency of attacking straight line on the grass court is higher than that on the clay and hard court.4.In the stalemate stage,there are differences in the types of points gained and lost by Wang QiangOn the clay court,Wang Qiang’s scoring and losing types are mainly his or her opponent’s unforced errors.The scoring and losing types of Wang Qiang on grass and hard courses are mainly due to their own or opponents’ forced errors.The scoring index of Wang Qiang on grass courts is affected by the difference of the courts.The scoring index of Wang Qiang on grass courts is higher than that on clay courts.The score loss index of Wang Qiang on grass court is higher than that on other two types of court.