The aim of the present research was to study the effect of competitive anxiety on the performance of male martial arts athletes in Ankara. This research is applied in terms of purpose and descriptive-correlation in terms of method, and its statistical population was all male athletes of martial arts in Ankara. 102 martial male athletes were selected based on the available method of 140 athletes. The data collection tool was Martens et al.'s Competitive Anxiety Questionnaire (1990), and the sports performance questionnaire made by the researcher. The validity of the questionnaires was confirmed by 5 experts in the field of sports management. The reliability of the questionnaires was obtained by using Cronbach's alpha coefficient for competitive anxiety, Martens et al. (1990) α = 0.81 and the researchermade sports performance questionnaire α = 0.8. For data analysis, SPSS 22 software was used to get the results. Kolmogorov-Smirnov test was used to check the normality of the data distribution. Considering the non-normality of the research data, the non-parametric statistical method of regression test, Crosgal-Wallis was used to investigate the effect of competitive anxiety on the performance of male athletes in martial arts in Ankara. The results showed that there is a significant effect between competitive anxiety (cognitive) and athletes' performance (Sig<0.05).