目的：本研究透過網球四大公開賽之數據探討職業男子與女子選手攻守技術型態及勝負賽事之關鍵因素。方法：收集四大公開賽數據之差異透過統計分析進行討論。結果：研究發現攻守型態大致可分為發球速度與技術型、底線與網前技術型及發球與擊球失誤型。底線與網前技術型的男子及女子選手在四大公開賽中的勝負賽事中皆有較顯著之差異；發球速度與技術型在男子選手的勝負賽事中有顯著差異，但在女子選手的部分，澳洲網球公開賽及法國網球公開賽中的勝負賽事數據則無顯著之差異。另外研究結果也發現四大公開賽對男女選手之數據表現會產生影響，但其影響因素可能包含場地本身、氣候和溫度等不確定因素。結論：研究建議未來國內網球選手除了加強自身訓練以外，球場因素及策略運用皆須列為考量的比賽因素之中。

Purpose: This study was to investigate the winning and losing factors in four major tennis tournaments by analyzing the players' statistics; Methods: In addition, the differences in statistics between four tournaments were also discussed. Results: The results found there were three factors namedball-speed, baseline and net skills, and error frequency. Baseline and net skills anderror frequency showed significant difference in statistics between winning and losing matches in both men and women tournaments; ball-speed had significant differences in men's tournament but not in women's Australia and French tournaments. Furthermore, the statistics were different in four tournaments depending on its court material, weather and temperature. Conclusion: It was suggested that players should not only develop personal skills, but also need to consider the factors of tournaments and strategies using against different opponents.