| From the 21st century,the world women’ s tennis has undergone earth-shaking changes,and the new forces rePresented by Osaka Naomi have constantly rewritten the history of the develoPment of world tennis.The first Grand Slam chamPion in Osaka Naomi 2018 and the back-to-back Australian OPen chamPion in 2019 became the first Asian Player in WTA history to be the world’ s number one singles Player.Her toP to a certain eXtent highlights the technical and tactical level of Asian tennis Players.This PaPer takes the characteristics of Osaka Naomi and hard ground singles match in 2018-2019 as the research object,uses the literature method,the video observation method,the contrast analysis method and the mathematical statistics method,carries on the statistical analysis to the Osaka Naomi singles match serve stage,the receiving and the match stage and the stalemate stage technical and tactical aPPlication situation,obtains the conclusion as follows:At the serve stage,the technical and tactical aPPlication characteristics are as follows:the scoring rate and the second scoring rate of the Osaka Naomi serve stage are higher than those of the oPPonent,the sPeed and the highest average sPeed are obviously higher than those of the oPPonent,and the third beat is mainly diagonal backhand PumPing.At the receiving stage,the characteristics of the technique and tactics are as follows:the scoring rate and the second scoring rate of the Osaka Naomi is higher than that of the oPPonent;the breaking ability is outstanding,the success rate of breaking is obviously higher than that of the oPPonent;the backcourt is concentrated in midfield and backhand.The fourth beat is mainly forehand draw technology,the return ball is concentrated in the middle and backcourt,and the left and right areas mobilize the oPPonent to move the batting mainly,and the return line is mainly drawn by the diagonal line with a large angle.At the Osaka Naomi stage,the commonly used technology is forehand PumPing,in which the utilization rate of forehand PumPing is higher than that of backhand PumPing,and the return ball is concentrated in the middle and rear field area and the left and right field area.The return line mainly chooses the diagonal line,belongs to the bottom line offensive Player.Osaka overall gain and loss characteristics:Osaka overall score is higher than the overall loss,the overall score is the service stage>holding stage score>service stage;the overall loss is the missing Points in the>receiving stage>service stage. |
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