李娜参加澳网竞技表现研究

Study on Li Na in the Australian Open Competitive Performance

摘要: 探讨李娜在澳网征战过程中的技战术表现，为提升我国女子网球运动发展提供参考，对李娜所参加的八次澳大利亚网球公开赛比赛技战术进行全面总结，结果表明：在经过外籍教练卡洛斯的技术战术改进后，李娜在发球上降低了球速，强调了角度与落点，ACE数量未降反增，发球得分率2013年较2011年增加了1个百分点；接发球方面赢球率呈现逐年增加趋势，从第一次参加的48.5%增加到2013年的52.2%，增加了3.5个百分点；上网次数逐年递增，但网前得分率不及对手；制胜分多于对手的同时非受迫性失误也多于对手。

Abstract: To explore the Li Na’s technical performance in the Australian tennis Open, and provide reference for Chinese women’s tennis development, results show that: after a foreign coach Carlos’ technical and tactical improvement, Li Na reduced the speed in the service, emphasized the angle and placement, and ACE number did not fall instead of increases, scoring rate in 2013 increased by 1 percentage points than in 2011. The return of serve win rate is increased year by year, from the first 48.5% increased to 52.2% in 2013, an increase of 3.5 percentage points. The Internet times are increased year by year, but the net score rate is less than rivals. She wined more than rival but more unforced mistakes than rivals at the same time.