Research On The Characteristics Of Hard Court Skills And Tactics Of Asian Professional Tennis Player Zheng Xuan

This paper takes the technical and tactical characteristics of Chung Hyeong in the Australian Open from 2016 to 2018 as the research object,using the methods of documentation,video observation and statistics,mathematical statistics,logical analysis and other research methods,through the analysis of the technical and tactical indicators of Zheng Shen's two matches between Australian Open and Djokovic,summarizes the technical and tactical characteristics of Chung Hyeong's changes in each technical and tactical.The following conclusions are drawn:1.In the service stage,Chung Hyeong is better at serving in the leading area,and the speed of serving is slower than that of his opponents.The scoring rate of the first serve is higher than that of the second serve,and the scoring rate of the second serve is higher than that of the outer one.The scoring rate of the third racket of Zheng Pan is the highest in the middle of the first serve.The forehand stroke technique is higher than that of the backhand stroke technique in scoring rate.The landing point is concentrated in the backhand position of the main attack opponent in the back court,and the consciousness of surfing the net is not strong and the service is not used.Compared with the 16-year Australian Open,Zheng Shenyi's scoring rate of the first and second rounds is significantly higher,the second is more stable,and the third batter's selection is more clear.2.In the receiving stage,Chung Hyeong's score rate of the first serve is lower than that of the second serve;the success rate of breaking is higher and the ability to rescue the breaking point is stronger;the main way of receiving the first serve is to draw the ball,the second is to push and block the ball,Chung Hyeong's attack is very strong when he receives the second serve,and the main way of receiving the second serve is to draw the ball;compared with 16 Australian Open,the score rate of the first and second serve is higher,the breaking ability and the breaking point are saved.Ability improvement.3.In the stalemate stage,Chung Hyeong's winning score is only lower than Alexander Zvelev and Federer's,except Federer's,he has fewer non-forced errors than other players,has stronger offensive consciousness and offensive ability,but still has a certain distance from top players;he has fewer nets,but his success rate is high;the use rate of forehand stroke in the baseline is higher than that in the backhand,and the landing point is mainly in the backcourt.The main line is backslash.Compared with the 16-year Australian Open,the number of Internet accesses and the success rate of Internet accesses have increased,the winning points have increased,and the number of non-forced errors has been reduced.