A Comparative Study Of Technical And Tactical Features Of Roger Federer

Roger Federer,Switzerland since February 2,2004 boarding men's professional tennis world number one "throne" began,has been rewriting the world of men's professional tennis myths,such as access to 20 times Grand Slam champion,creating the longest record for 237 consecutive weeks in the world number one and the impressive results of the US Open and Wimbledon five consecutive years.But the 2011-2016 seasons,Australian Open this period is a low for Federer,that is,for the sixth consecutive year,the best result of the Australian Open competition is the semi-finals and the worst stop in the third round,which raises questions about Federer's skill and tactical ability.And in the 2017 seasons,Australian Open won the championship in one fell swoop,thus once again prove their own strength,the king returned.This article analyzes the technical and tactical features of Federer's 2011-2016 and 2017 Australian Open competitions from the three phases of serving phase,receiving phase and offensive and defensive phase using literature data,video observation,mathematical statistics and comparative analysis.Finally,the longitudinal comparison of the characteristics of the two stages of the technical and tactical.To identify the characteristics of Federer's changes in the technical and tactical aspects of the 2017 seasons compared to the 2011-2016 seasons and to explore the winning factors and laws that influence the results of Federer's competition.Which will give people a deeper understanding of Federer's technical and tactical changes and our country's tennis players and coaches provide certain guidance value for targeted training and competition in the hard courts of the future.At the same time,they also provide a certain theoretical basis and reference value for the training of Chinese youth tennis talents.Through analysis,the conclusions are as follows:1.Federer's tactical characteristics of serve phase(1)2011-2016 seasons:1st and 2nd rounds with high stability,low ACE rate and the high rate of double fault.The left side replays the outside corner while the right side plays the outside corner,the 2 inside the corner and the serve.The third round of the game is dominated by forward and backhand draws,while the scoring rate is dominated by forehand draws and forehands.(2)2017 seasons:1st and 2nd generations have higher stability and higher than 60%,high ACE rate and low double-error rate.The right zone focuses on the outer corner and the left zone has an inside corner.The second corner is outside.In the main,the third game of the serve is dominated by the forehand and the forehand side,while the score is mainly the backhand and the backhand.(3)Comparison between the 2017 seasons and the 2011-2016 seasons:High rate of ACE and low double error rate;right midfielder,second outer corner,left inside corner and second outside corner;third backhand ball and efficient use of other technologies.2.Federer's service and tactics in receiving serve(1)2011-2016 seasons:The scores of the second round of return games are higher,and the success rate of the first and second rounds is lower.The use of the big slash to send back to the other side is mainly used to return the ball to the midfielder.The area is dominated by scores,and the scores of serve in the inside and outside corners are higher than those in the middle,and the fourth in the serve is mainly based on backhand pumping.(2)2017 seasons:The rate of returning the ball is higher,the success rate of the break is lower,and the back lashing is used more frequently.The internal and external corners serve the player and return to the back area,and then serve the center and retum to the midfield.In the region,the service scores of the inside and outside corners are higher than that of the middle lane,and the fourth shot of the receiving game is mainly focused on the back handball technique;(3)Comparison between the 2017 seasons and the 2011-2016 seasons:The efficient use of the big slash is sent back;the inside corner and the outside corner are served back to the midfield and the back court area,and the midfielder serves the efficient use of the front court area.3.Federer's technical and tactical characteristics in offensive and defensive phase(1)2011-2016 season:Positive and negative hand pumping,interception of high pressure shots and other techniques are relatively stable,with little ups and downs;(2)2017 seasons:The backhand and the backhand pumping,the release of small balls and other techniques are relatively stable,with little difference between the use of interception and high-pressure ball technology.The score rate is higher and the difference is larger.(3)Comparison between the 2017 seasons and the 2011-2016 seasons:The efficient use of interception and high-pressure ball technology.4.The winning factors that affect Federer's results.(1)Explosive power:High ACE rate,a middle zone in the right zone,an internal corner in the left zone,a strong forehand pumping ball,and a strong smashed high-voltage ball;(2)Exquisite technology and tactics:Two out-of-field corners in the left and right areas,followed by a big slash back,then the inside and outside comers serve back to the bottom line;(3)Comprehensive technology:Flexible use of pre-network technology,backhand pumping and effective use of technology.5.The winning rule of Federer competition(1)Fast:The serving tempo is fast,the quality is high,the footwork is flexible and reasonable,the ability to interpret the competition is strong,seize the opportunity,active on the Internet,and play the winning points;(2)Change:The angles of the placement and return of the service ball are large and varied,the ability of the return line is strong,and the technology is comprehensive and the change is reasonably applied;(3)Stability:First,second stable and high scoring rate.Mature and stable forward and backward hand-pumping,with high stability of active scoring ability.