Study On The Characteristics Of Losing Points In Wang Qiang’s Hard-court Tennis Singles Matches In 2019 Season

Wang Qiang,as one of the outstanding professional women’s singles tennis players in China,although she has made good achievements in recent years and her professional ranking has risen rapidly,there is still a certain gap between her and the world’s elite women’s tennis players.In the tennis match goal difference index can not only reflect the shortage of the tactics for the athletes themselves,also can clear contrast and the distance between the excellent athletes in the world,in order to make the Chinese women’s tennis can create brilliant,scholars of women’s tennis player in better ways to do a lot of research and analysis,but after organizing found,There are many researches on foreign women professional tennis players,and most of them focus on the score.As another important indicator to define the result of the match,there are few researches and analyses on the lost points.This study using the method of literature study,video observation,mathematical statistics,comparative analysis and other methods,with wang qiang in 2019 hard points characteristic of singles match of the season as the research object,through detailed analysis of fully understand wang qiang points in the game features,to reveal our country outstanding female tennis player current technology,provide a reference for future training and competition.Through the preliminary basic theory research,statistical framework design,video discussion and technical performance record,on the basis of technical statistics data,in-depth analysis and discussion of Wang Qiang’s scoring characteristics in the match,and from the three aspects of serving stage,receiving stage and stalking stage to Wang Qiang’s scoring characteristics.The study reached the following conclusions:The percentage of points lost in the serve stage was the lowest and the proportion of unforced errors was the highest.The loss rate of the first serve has a great influence on the game,the loss rate of the second serve is higher than that of the first serve,and the loss rate of the outer corner of the first and the inner corner of the second serve is the highest.The third beat line lost the highest rate of points,mainly concentrated in the left zone and the center and back court of each zone.Serving at the stage of the loss rate is in the middle,mostly forced error.The losing rate of receiving first service is higher than that of receiving second service,and the losing rate of receiving second corner is the highest,and the losing rate of receiving and pushing technique is higher than that of drawing.The forehand stroke of the fourth stroke is higher than the backhand stroke,and the straight line is the highest.The most points are lost in the stalemate,and most of them are unforced errors.The loss rate of the backhand stroke is higher than that of the forehand stroke,the loss rate of the forehand and backhand is mostly forced error,the loss rate of the straight line is the highest,and the loss is mostly concentrated in the middle and back court area.There was a big difference in the proportion of points lost in the three stages of the game,and a small difference in the proportion of points lost in the three types.Among them,the rate of losing points in three stages is 50.9% in the stalemate stage,31.3% in the receiving stage and 17.7% in the serving stage.The loss rate of the three types of points was 38.7% for unforced errors,31.1% for forced errors and30.2% for opponents.