This study aimed to investigate the effect of Triangle Clockwise (SJJ) training on improving passing accuracy among students participating in the futsal extracurricular program at SMP Negeri 2 Karanggayam. The study employed a quantitative approach with a one-group experimental design. A total of 15 male students were selected through purposive sampling. Passing accuracy was assessed using a standardized passing accuracy test, and the collected data were analyzed using the N-Gain test to determine the effectiveness of the training program. The results demonstrated a moderate improvement in passing accuracy, with a mean N-Gain score of 0.5481, indicating a moderately effective intervention. Furthermore, the mean passing score increased from 4.63 in the pretest to 7.31 in the posttest, representing an improvement of 2.69 points or 58.11%. These findings suggest that Triangle Clockwise (SJJ) training is an effective method for improving passing accuracy and can be recommended as a practical training strategy for futsal coaching programs at the junior high school level.
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