| In this study,the technical and tactical2013Australian Open Li Na of sevengames for the study,through literature, expert interviews, video statistics,mathematicalstatistics, logical analysis and comparative study on Li2013Australian Open overalltechnical and tactical, the basic unit of competitive and win the ball end frequencyrate,Service Technical and tactical characteristics, receiving technical and tacticalcharacteristics and stage techniques and tactics stalemate conducted in-depth researchand analysis,data to identify hidden behind the law.Li Na,the Australian Open and the2013race data to their opponents and the2011Australian Open Li Na comparativedata analysis,results showed that:1) Li Na than the control of the2013Australian Open overall gains and losses, isreflected in the overall technical and tactical level, but higher success rate andfluctuation and the stage of stalemate mistakes in the initiative that Li Na hasimproved tactical play space.2) The basic competitive unit Li Na game hitting the end frequency and win rateto serve in tennis and control the receiving phase is the key to winning, Li Na this isthe winning factors go all the way.3) Li Na serves the technology level significantly increased, in a speed, angle,two revolving ball and scoring ability than in the past have made great progress. Atthe same time, instability of the swing double faults and serve success rate isrevealing the service; service selection and placement and tactical application specifictraits, can rely on the technical and tactical layout to suppress opponents effective, buttheir own mistakes too much.4) Li Na take the "joint stability in the Serving Bureau, attack two, timely attack"the strategy, has the characteristics of high break rate, grasp the opportunity to breakstrong. To improve the stability and the strong, high speed, strong rotating ball receiveability, facing different opponents to choose reasonable and effective receiving tactics.5) The Stalemate Stage Li Na show "offensive ability, high winner, highunforced mistakes" batting style, bring more winners and bear the risk of non affectedby errors. To improve the stability and control the ball’s unforced mistakes andwinning ratio is improved play of the efforts of Li Na.6) The regional distribution of Li Na are to hit groundstrokes, stalemate timelyuse Internet ball tactics, serving and receiving phase is rarely used. A regional rivalfocused on Li Na’s line backhand, should pay attention to the backhand stabilitytraining. |
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