Abstract -- The aim of this study was to compare the changes of direction speed (CODS) and reactive agility (RA) performance using badminton reactive agility tests system (BRATS) among different level of badminton players. Fifty-five under-15 male badminton players consisted of state (N = 10), district (N=15) and school (N=30) were recruited and were asked to perform both CODS and RA tests using BRATS. Findings of this research revealed that the CODS and RA were found to be significantly different between state, district and school players. In conclusion, BRATS is an instrument that are capable of assessing and differentiate level of badminton players based on CODS and RA aspects.