2012年WTA斯图加特大奖赛1/4决赛李娜失利的原因分析

Analyzing the reasons of LiNa defeated in 2012 WTA Stuttgart Grand Prix 1/4 final

运用录像观察和数理统计等研究方法,对2012年WTA顶级巡回赛斯图加特保时捷大奖赛四分之一决赛中李娜与拉德万斯卡的技战术进行统计分析。研究显示:非受迫性失误过多,自身破发率低是李娜失利的主要原因。同时指出:一发球成功率、ACES球、双发失误三项指标并非李娜失利的真正原因所在。制胜分是李娜维系比赛的重要因素也是诱发失误的原因,李娜网前得分稍处下风需加强。

By using video observation and mathematical statistics, the paper makes a technical statistical analysis of LiNa and Radwanska in Stuttgart Grand Prix 1/4 final. The research demonstrates that： too much unforced faults, few winning points and a lower rate of break by himslef are the main reasons lead to LiNa losing in the game. It also shows that： the three indicators of success rate of serve , Ace ball, Double faults are not the real reasons for the failure of the LiNa. In addition , The winning points is an important factor in the game of Lina department also in- duced by the reason of failure and net score a little underdogs need to strengthen.