Analysis On The Characteristics Of Techniques And Tactics Of Different Court Types Of Wang Qiang,A Female Professional Tennis Player,in The 2017-2018 Season

In the 2018 season,Wang Qiang achieves the highest rank since she turns professional.She ranks in the 20 th place in the WTA,making her the highest ranking Chinese player in the WTA singles after Li Na.Wang Qiang not only does well in hard-court competitions,but also has excellent performance on the clay and grass court.Through literature study,video observation and mathematical statistics,this dissertation analyzes the characteristics of the skills and tactics which Wang Qiang shows and applies in the four Grand Slams and four Premier Mandatories during the 2017-2018 season.This dissertation analyzes the changes in the characteristics of techniques and tactics used by Wang Qiang in the two seasons,and analyzes the characteristics of her skills and tactics in different types of court horizontally.Conclusions are as follow:1.Wang Qiang has strong ability to serve in the two-season game,Her serve is extremely aggressive and has high stability.Among the service data of the three types of court events,the average ACE rate of grass type events is the lowest,and the average double fault rate of clay type events is the lowest,In terms of the service scoring rate,the grass tournament has the highest average first-serve scoring rate,but the second-serve scoring rate is low.The clay tournament has the highest average second-serve scoring rate.The Angle of wang qiang's first service in the first area is mainly the inner Angle and the middle Angle,and the outer Angle in the second area.wang qiang mainly used forehand and backhand stroke in the third stroke after serving,and siding forehand stroke also had an important usage rate.2.Wang qiang has a relatively high stability in receiving.In the comparison of receptions and service points of the three types of venue events,the average receptions and service points of the grassland type events were the lowest,and the highest of the clay type events.In the second service,Wang qiang has deeper return depth and mainly returns to the backhand of the opponent's regular stroke.In the fourth stroke after the second service,the player mostly stays at the bottom line and hits the ball in a relatively conservative position.3.Wang Qiang has a high winning rate in hard court and clay court,and the lowest winning rate of grassland competition.4.Wang Qiang scores a higher percentage in the service and receiving stages of the two seasons,indicating that Wang Qiang has excellent scoring abilities in service and receiving.She also has strong counter-attack ability,reliable baseline footwork and agile movement,but Wang Qiang's techniques and tactics at the net is not stable.