Study On Jelena Ostapenko's Technical Analysis And Research In 2017 French Open

This article is based on the 2017 French Open new champion Jelena Ostapenko's seven matches' performances in on the French Open(including a total of 19 games in which Osta Penko is aligned with Rico and other seven players).By watching the video of the seven games,the various technical data of the seven games were counted,and the seven games of Osta Penko were analyzed using the literature method,video statistics,mathematical statistics,and logic analysis.This article focuses on the analysis of Osta Penko's skills and tactics from the four aspects of Osta Penko's teeing skills,receiving and receiving techniques,matching ball techniques,and return line selection.Through the in-depth analysis of the various techniques and tactics of Jelena Ostapenko,this paper compares and analyzes the stages of the competition data of Jelena Ostapenko.The paper concludes that:1)Ostapenko's first serve is offensive and has a high scoring rate.However,in general,Ostapenko's serve is not her advantage.Ostapenko's first serve is strong,more pursuit of speed and high scores.But a low rate of scoring;Ostapenko's second serve's speed is slower and its quality is poorer.The second-round scoring rate is higher,but the second-shot score is lower.Therefore,serving can not be used as the main scoring technique of Ostapenko.2)On the receiving serve,Ostapenko mainly uses the strong ball to pick up the serve and strike back;Ostapenko has the highest scoring rate in either the first or second zone slash.Most of the returning points are in the midfield and backcourt,and the scoring rate of the backcourt is higher.In the face of the opponent's second serve,Ostapenko's receiving and receiving changes are still a lot,and there are different countermeasures for different opponents' serve.Ostapenko's second serve has a better scoring rate.The turnover rate of receiving the ball is higher.3)Ostapenko's bottom line holds the ball with a large angle of the slamming ball,fully mobilizing the opponent's range of movement,the forehand bottom line wins more points,the bottom line is the main scoring technique of Ostapenko.4)The Ostapenko's bottom line has a strong ability to change lines.Due to the high flexibility of the forehand,the bottom line has a stronger ability to change the line,and the bottom line forehand has a higher score.From the overall effect of thechange line,whether it is a positive shot or a reverse shot,Ostapenko's bottom line sneak attack scores the most.