Science-based multi-dimensional developments are observed today in the field of sport which maintains its importance in terms of both healthy life and Olympic success. Long-term athlete development (LTAD) model applied by Canada as a governmental policy may be cited as an example to this. LTAD is an athlete-oriented and coach-driven model developed by Istvan Balyi. The purpose of this review article is to examine LTAD model within the framework of tennis sport together with stages of athlete development and to evaluate the ranking position of Canada, which uses this system, in the world ranking in line with the results achieved specific to Association of Tennis Professionals (ATP).