2011-2013 WTA Annual Finals LiNa Singles Skill Tactics Research

11 singles match based on Li Na in 2011 to the 2013WTA finals in as the research object, through technical and tactical organization literature data method, expert interview method, video statistics and statistical data of Li Na and the main means of scoring and carried out a comparative study, will be aimed at Li Na in the WTA finals analysis of the advantages and disadvantages and summary law, provide some not worth mentioning the theoretical basis for a new generation of women’s tennis players in our country occupation tennis player, the conclusion is as follows:(1) every year, Li Na in the game scores:stalemate scoring ace score> extensions>.(2) in the service stage, from 2011 to 2013, the proportion of ACE is always the highest in service stage. In 2013 after the serve and volley tactics of attacking the success rate is higher than the previous two years, third volley region 5,7 and 9 high score, showed that in serve after the tactical organization more clearly, choose the angle of fall tricky and multi ball stalemate looking for opportunities to a winning, in attack stage to achieve a "fast, accurate" in a stalemate, ruthless, ball stage did "batting stability, strong, large angle rotation".(3) in the receiving phase, the main scoring tactics is two beats after sending and receiving, moreover is the opponent double miscarriage, winner is not too much. Sending and receiving the tactical aspect, in 2013 2011, than 2012 receiving the ball back regional point of view more open, more before leaning stance, conducive to strike first to gain the initiative, back to the ball in the area 4,6 basic,7, No.9, have obvious improvement in scoring.(4) in a stalemate stage, from 2011 to 2013 hitting area mostly is 5,7,8,9, the corresponding scores in the regional distribution in the backcourt, Li Na rallies the ball in 2013 error reduction, in the multi shot stalemate in transition have more patience, large angle adjustment, strong rotation, the step quickly in place, making Li Na the increase in the proportion of bottom line hitting score.(5) the data show Li Na in 2013 the Internet times averaged 11 times in 2011, averaging 5 times, averaging 6 times in 2012, obviously Li Na at the net technology has no ground for blame use rate, so the net under Li Na tactical organization scores compared is soaring.