本研究主要目的為分析近三年世界女子職業網球選手在不同網球表面性質場地的攻守技術之差異及發展，藉以瞭解現今世界職業女子網球單打技能之趨勢。本研究是以參與2012-2014三年間世界四大職業網球公開賽之進入女子32強的選手做為研究對象，應用spss20.0T檢定、變異數分析及因素分析比較三年間中14項攻守技能表現之差異性。所得研究結果如下：1.2012-2014年四大公開賽勝負總攻守技術表現上有顯著差異項目有第一發球贏球率、第二發球贏球率、愛司球、非受迫性失誤、接發球贏球率、破發球率局、上網成功率、致勝球及總得分等技術項目均出現3次達差異顯著水準（p＜.05）。2.在2012-2014年四大網球公開賽競賽時的各項攻守技術表現經單因數變異數分析後，在愛司球及非受迫性失誤技術項目對於不同網球表面性質比賽均出現3次達差異顯著水準（p＜.05）。3.2012-2014年在四大網球公開賽女子球員技術表現因素分析中所使用之主要戰術均呈現為速度性技術型為主。

This study compared and analyzed the differences between the offensive and defensive skills of women’s single matches in Grand Slam Tournaments. Data were collected from the tennis players, who qualified to the third round in four Grand Slam Tournaments in the year 2012-2014. T test and one-way analysis of varience were performed using SPSS (20.0) and compared fourteen skill variables of each single match performed on different court surfaces. To sum up the total factors between winners and losers during the period 2012-2014 grand slam tournaments, the obtained data were statistically analyzed and tabulated. The results are as follows; 1). The three-year results showed the significant difference (p＜.05) in 1 Serve %, winning % on 1st serve PTS and winning % on 2nd serve PTS, Ace, Unforced Errors, Receiving Points Win, Break Points Conversions %, Net Approaches %, Winning Including Service, and Total Point Won. 2). The results of offensive and defensive skills in 2012-2014 Grand Slam tournaments showed the significant difference (p ＜ .05) in Ace and Unforced Errors 3). The analyzing factors of professional tennis players in 2012-2014 grand slam tournaments was technique of speed.