Exploratory Analysis Of Key Technical And Tactical Indicators In Federer Australian Open Competition In 2004-2018

With the continuous development and evolution of tennis,the technical and tactical play of tennis is constantly updated and improved.Skills and tactics as the main influence of the game are not only individual differences,but also in a certain career period of the individual.This article takes Federer's career in the Australian Open and the opponent's technical and tactical characteristics as the research object,using literature methods,mathematical statistics,comparative analysis and other research methods to analyze the game data of Federer and his opponent for many years.Identify the key indicators affecting the game in the tactical indicators,and analyze the main reasons for the changes in the dynamic changes between key indicators in different periods.The results of the study found that:(1)Federer's career from 2004 to 2018 Federer's overall data and opponent data there is a significant difference,compared with the opponent in most of the technical and tactical indicators have a large advantage.(2)The key technical indicators of the Federer Australian Open game include total score,second round average speed,ACE ball,double serve error,winning score,and receiving and winning rate.The six key technical and tactical indicators can affect Federer Australia.The trend of the net game.(3)The three key indicators of the ACE ball,the second average speed,and the winning and winning rate in the key technical and tactical indicators of the Federer Australian Open have significant changes in different periods of their careers.Among them,the ACE ball has significant changes in the peak period and the end period,the transition period and the end stage of the career.The number of ACE balls is the end period> peak period> transition period;the average speed of the second round has significant changes in the peak period and the end stage,and the speed is the final stage> transition Period>The peak period;the winning rate of the receiving and receiving has significant changes in the peak period and the transition period,the peak period and the end stage,and the winning rate is the peak period> the end stage> the transition period.(4)Federer's difficulties in the transition period of his career have physical,technical,and tactical issues.By improving the technical deficiencies such as serving and counter-shooting,the reasonable arrangement of the schedule and changing tactics can cope with the problem of age growth and physical decline,helping Federer toget out of the bottle transition period.