Analysis On The Characteristic Of Technique And Tactics About Serve Of Li Na In 2014 Australian Open

In modern tennis technique, Serve is one of the most important technologies. Successful implementation of Tech and tactic plays a leading role, which is the basis for the beginning of a minute.Technical and tactical characteristics of professional tennis players formed a long-term training and competition style tactics and habits, to study its technical and tactical characteristics are conducive to professional tennis players to better understand their own strengths and weaknesses, and to develop special training targeted plans and programs.Through literature review, video observation, mathematical statistics and logical analysis, this paper analyzes the Tech and tactic data index of Li Na in 2014 Australian Open final four games, including successful serve rate, gains and losses directly serve points, areas and different placements serve points, the key timeshare serve grading and so on. To explore the Tech and tactic characteristics and winning tactical skills of Li Na, this paper aims to establish superiority of excellent tactical training mode, and provide reference for improving and enhancing Li Na and women’s tennis single players on Tech and tactic special training.The results shows:1.The successful serve rate is the basis for excellent Tech and Tactic implementation. The first successful serve rate and the first and second serve points about Li Na are basis of tech and tactic to win, especially the second serve points are higher at least 20 percent points than other opponents;2.The ability of gains and losses directly serve points, the ability to resolve the break point and the break point scoring ability are the keys to win the game, which forms Li Na’s tactical skills,especially its ability to grasp the key points serve straight strong, its guiding role played to win the game;3.Areas and different placement serve points have no significant, although increased by each field, the ability to score is on the decline. The contribution value of serve points is internal angle> exterior angle> middle; the rate of service points is, middle> interior angles> outer corners. Thus, Li gets used to serve inside and outside corner, especially crucial winning points mostly from inside and outside corner. Middle serve as a surprise tactics is used perfect right;4.Li Na just lost six innings in thirty-three serve innings at final four games and had a strong break twenty-one serve points from opponent’s thirty-three innings. From the macro perspective, the higher points rate of serve innings is the root cause of Li Na’s winning.