Objective: The aim of the present study was to determine the Model of Structural Relations for Controlling Coach Behavior, Mental Toughness and Sports progress in Women's Karate Ka.Methods: This is descriptive and correlational study with the type of structural equation modeling in which 298 Karate Ka women aged 15 to 19 years old who have worked in the field for more than two years, Completed the Bartholomew Controlling Coach Behavior Scale and the Mousavi & Vaez Mousavi Sport Success Scale and also the Golby & Shird Sports Mental Toughness questionnaire. The analysis of data with using the SPSS software, and for structural equations modeling (SEM) with the Smart pls software has been used. Results: The results showed that the model has a good fit. According to the results, the controlling coach behavior has a negative effect on Sports progress of karate women. Also, controlling coach behavior had a direct negative effect on mental toughness. In addition, mental toughness has had a direct positive effect on Sports progress of karate women. Lastly, controlling coach behavior, mediated by mental toughness, had an indirect effect on Sports progress.Conclusion: Trainers' attitude and behavior towards their athletes not only influences their Sports progress but also affects their mental toughness.