Study On Djokovic's Service Skills And Tactics At The Australian Open In 2019

Tennis is a racquet-type tennis event and belongs to the skill-oriented tennis event.There are many skills and tactics in tennis.The serve is the beginning of the use of other skills and tactics.It is also the only technical move that is completely under the control of the opponent.in China,more and more coaches,athletes and tennis researchers pay more and more attention,and tennis service technology has gradually become one of the research topics of tennis researchers.Therefore,it is of great significance to study the players' service technique and tactics in the game.In this paper,using literature method,video observation,mathematical statistics and comparative analysis,such as a contestant in the 2019 Australian open meetings between Novak Djokovic and seven athletes who serve data statistical research,summed up the Djokovic on the pitch today serve technique features and technical style,and comparison analysis,find out the current world number one tennis player Novak Djokovic serve the advantages of technology and tactics and the existing deficiency,for our country outstanding tennis players and at the same level of foreign athletes provide reference and reference data,the following several conclusions:1.2019 Australian Open Tennis Championship about Djokovic Ace count in a good level,double fault situation is less,even meet young strong hair ball players could keep his serve directly serves,serve straight yield were higher than the opponent except Mr.Medvedev,serve the average velocity is always between 170-180 km/h,and there was no significant difference between rival ball velocity.And he is good at using the drop and spin to make up for the small gap with the opponent's serve speed.In the competition,the scoring rate of first-serve and second-serve of both right-handed and left-handed players is higher than that of opponents.2.When Djokovic plays against the right-handed racquet holder,the usage rate of the first service drop point in the flat division is the Outer corner > inner corner > middle.The success rate of the inside corner of the first service point in the first possession area is higher than that of the outside corner in the first possession area.The second service point occupies the outer corner of the first zone > middle road > inner corner,the flat area of the outer cornerof the drop point > inner corner.The first serve went mainly to the opponent's forehand.3.When Djokovic played against left-handers,the usage rate of the first serve in the first court was Outer corner > inner corner > middle,The interior Angle of the landing point in the flat partition is inner corner >outer corner >middle,and the inside corner of the first court was better.The second serve in the Occupy first area to drop the highest is the outer corner,the second serve in the flat area to drop the spot is more about the inner corner and the middle road,so is the opponent forehand position to receive the ball,contrary to the opponent's positive thinking,dare to dare to challenge.4.Djokovic's success rate of the third stroke was higher than that of his opponent.In the third stroke,the use rate of the forehand stroke was the highest when the opponent held the right hand,followed by the backhand stroke.The third stroke line is mostly hit to the right hand position,because Djokovic has a steady and strong backhand stroke;The third racquet area is mostly the back court,by the advantage of the service plus the depth of the third racquet,so that they establish a strong advantage in the service game.The use of the third beat tactics and scoring rate are better than the opponent.