Analysis of some individual defense playing plans during the match periods for the Champions League European football season (2021)

The research aims to identify the performance rates of some individual defense plans during the different times and periods of the match during the 2021 Champions League matches. The researcher used the descriptive approach. The research sample included the final match and semi-final matches at a rate of 4 matches (home and away) and the match of the winning team in the championship In the quarter-final round, an average of two matches (home and away) and research questions What is the rate of change in the individual defensive tactical performances used in the European Football Champions League matches according to the time of the match in question?Based on the results of the research and discussion, the following could be reached

1. The second quarter of the matches came in second place, with 17.75% performances, with 221 performances.

2. The least time used for individual defense playing plans during matches was the research sample in the fifth quarter, where the percentage of performances reached 14.62% with a number of 182 performances.

3. The most used performances throughout the events of the research sample matches are dispersal of the ball before receiving the opponent, with a number of performances amounted to 476 times.

Within the limits of the research results and conclusions, the researcher recommends the following:

1. Analyzing the various tournaments on a continuous basis to know the strengths and weaknesses in the different performances to develop the players' performance.