Purpose: The aim of this research is to compare reaction time of students, non-athletes, in modified agility test for table tennis after a semester course of table tennis. Methods: Thirty three males participated in our study (average 21.8 years, 178.2 cm, 77.1 kg), one group of eighteen students in autumn semester, another group of fifteen students in spring semester. We used modified agility test for table tennis using Fitro Agility Check at the beginning of the semester (pre-test) and at the end of the semester (post-test) and compared data. Results: We have not proved statistically significant improvement of reaction time after a semester course of table tennis, although most of the students had improved. Average reaction time was 2.33% better after one semester (1.76% when using hands, 2.85% when using feet). Conclusion: We think that course of table tennis is a good choice for students if they want to improve their reaction time, even if we cannot prove it statistically.