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This study aims to assess the validity, reliability, and relevance of the Kemp-Vincent Rally Test as an instrument to evaluate basic tennis skills among students in FIK UNY. The design of this research was quantitative descriptive with a survey method. The population in this research was all students at the Faculty of Sports Science UNY. Then, the samples were chosen from students of four study programs at the faculty. These students had taken tennis courses and could play tennis. They were chosen using a purposive sampling technique, and 34 students were selected, consisting of 22 men and 12 women. The data were collected using tests and measurements. The validity test was carried out by correlating the best results of the test-retest. The results of the ½ competition match were then analyzed using the Spearman Rank Correlation formula through the SPSS for Windows Version 10.0 Program. After that, the reliability was assessed using the same correlation formula, while the relevance was tested using the T-Score formula. The results indicated that the validity test of the Kemp-Vincent Rally test showed a rho value of - 0.782 for male students and -0.822 for female students. The reliability test showed a rho value of 0.981 for male students and 0.944 for female students. In the relevance test, the Kemp-Vincent Rally test for male students was categorized as very relevant (18.18%), relevant (27.27%), and quite relevant (27.27%). Only one-third of the results were classified as less relevant (18.18%) and very less relevant (9.10%). Meanwhile, the relevance test for female students was categorized as very relevant (0.00%), relevant (16.67%), quite relevant (50.00%), less relevant (16.67%), and very less relevant (16.67%). Based on these results, it can be concluded that the Kemp-Vincent Rally Test has adequate validity and reliability and is still relevant if used as an assessment instrument to assess the basic technical tennis skills of FIK UNY students.