目的：主要對2020東京奧運桌球男女生單打比賽結果進行研究分析。方法：以東京奧運2020官方網站比賽日程與結果，查詢桌球單打的官方紀錄，將比賽場次的預賽(Round 1-3) 當作初賽組(Round Group, RG)，8強賽(Round of 16) 到決賽(Final) 的比賽視為決賽組(Final Group, FG)；使用記數分析 (Notational analysis) 方法分析與賽局相關的變量、比賽持續時間、最長回合 (擊球)、平均回合等變異量。以IBM SPSS 20.0統計軟體進行各數據之處理，以Mann-Whitney U考驗法來分析與比較兩組(RG，FG) 之間的差異，以及Kruskal – Wallis H test來分析兩組(RG，FG) 各局之間的差異，若有差異，以Dunn事後比較來分析。顯著水準α = .05。結果：男女單RG與FG的單局合計分數之間沒有差異，男單FG兩場獎牌戰合計球數>19分有51.8%，呈現比賽激烈；場次上，男女單打的比賽時間，FG也多於RG；局數上，儘管沒有顯著，RG持續時間有越來越久的趨勢，FG則沒有明顯增加。結論：經由對2020東京奧運資料分析，男女單打FG組的持續時間與多合計球數局是多於初賽組的；不管男單或女單，在初賽組與決賽組的發球優勢不在，自己發球失分慢慢提高。這些訊息可以幫助球員和教練準備和適應現代桌球特點的不同訓練。

Purposes: The main purpose is to conduct research and analysis on the results of the singles competitions of men's and women's table tennis at the 2020 Tokyo Olympics. Methods: The official competition schedule and results on the Tokyo Olympic 2020 official website were utilized to check the official table tennis singles records. The preliminary rounds and rounds 1-3 of the competition were considered as the Round Group (RG), while the round of 16 to the final competition was considered as the Final Group (FG). The notational analysis method was employed to analyze the variables related to the game, the duration of the game, the longest round (batting), the average round and other variables. IBM SPSS 20.0 statistical software was used to process the collected data. The Mann-Whitney U test method was used to analyze the matches and compare the differences between THE two groups (RG, FG). The Kruskal-Wallis H test was used to analyze the difference between the two groups (RG, FG) in sets. Dunn's post hoc comparison was used to analyze any differences. The significance level was set at α = .05. Results: There was no difference in the total number of scores in a single round of men's and women's singles RG and FG. The total number of balls in the two medal games of men's singles FG was > 19, indicating fierce competition, with 51.8% more than RG. Regarding the number of rounds, although not significant, the duration of RG tended to be longer, while FG did not increase significantly. Conclusion: After analyzing the data from the 2020 Tokyo Olympics, it was found the duration and total number of rounds of the men's and women's singles in FG group were greater than that of the preliminary group. Regardless of men's singles or women's singles, the advantage of serving in the preliminary group and the final group is not evident as the scores gradually increased. This information helps players and coaches in preparing and adapting to the different drills that characterize modern Table tennis.

記數分析; 決賽; 官方網站

notational analysis; finals; official website